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1.1 Real Numbers: Algebra Essentials

• ⓐ 11 1 11 1
• ⓒ − 4 1 − 4 1
• ⓐ 4 (or 4.0), terminating;
• ⓑ 0. 615384 ¯ , 0. 615384 ¯ , repeating;
• ⓒ –0.85, terminating
• ⓐ rational and repeating;
• ⓑ rational and terminating;
• ⓒ irrational;
• ⓓ rational and terminating;
• ⓔ irrational
• ⓐ positive, irrational; right
• ⓑ negative, rational; left
• ⓒ positive, rational; right
• ⓓ negative, irrational; left
• ⓔ positive, rational; right

• ⓐ 11, commutative property of multiplication, associative property of multiplication, inverse property of multiplication, identity property of multiplication;
• ⓑ 33, distributive property;
• ⓒ 26, distributive property;
• ⓓ 4 9 , 4 9 , commutative property of addition, associative property of addition, inverse property of addition, identity property of addition;
• ⓔ 0, distributive property, inverse property of addition, identity property of addition

• ⓒ 121 3 π 121 3 π ;
• ⓐ −2 y −2 z or  −2 ( y + z ) ; −2 y −2 z or  −2 ( y + z ) ;
• ⓑ 2 t −1 ; 2 t −1 ;
• ⓒ 3 p q −4 p + q ; 3 p q −4 p + q ;
• ⓓ 7 r −2 s + 6 7 r −2 s + 6

A = P ( 1 + r t ) A = P ( 1 + r t )

1.2 Exponents and Scientific Notation

• ⓐ k 15 k 15
• ⓑ ( 2 y ) 5 ( 2 y ) 5
• ⓒ t 14 t 14
• ⓑ ( −3 ) 5 ( −3 ) 5
• ⓒ ( e f 2 ) 2 ( e f 2 ) 2
• ⓐ ( 3 y ) 24 ( 3 y ) 24
• ⓑ t 35 t 35
• ⓒ ( − g ) 16 ( − g ) 16
• ⓐ 1 ( −3 t ) 6 1 ( −3 t ) 6
• ⓑ 1 f 3 1 f 3
• ⓒ 2 5 k 3 2 5 k 3
• ⓐ t −5 = 1 t 5 t −5 = 1 t 5
• ⓑ 1 25 1 25
• ⓐ g 10 h 15 g 10 h 15
• ⓑ 125 t 3 125 t 3
• ⓒ −27 y 15 −27 y 15
• ⓓ 1 a 18 b 21 1 a 18 b 21
• ⓔ r 12 s 8 r 12 s 8
• ⓐ b 15 c 3 b 15 c 3
• ⓑ 625 u 32 625 u 32
• ⓒ −1 w 105 −1 w 105
• ⓓ q 24 p 32 q 24 p 32
• ⓔ 1 c 20 d 12 1 c 20 d 12
• ⓐ v 6 8 u 3 v 6 8 u 3
• ⓑ 1 x 3 1 x 3
• ⓒ e 4 f 4 e 4 f 4
• ⓓ 27 r s 27 r s
• ⓕ 16 h 10 49 16 h 10 49
• ⓐ $ 1.52 × 10 5 $ 1.52 × 10 5
• ⓑ 7.158 × 10 9 7.158 × 10 9
• ⓒ $ 8.55 × 10 13 $ 8.55 × 10 13
• ⓓ 3.34 × 10 −9 3.34 × 10 −9
• ⓔ 7.15 × 10 −8 7.15 × 10 −8
• ⓐ 703 , 000 703 , 000
• ⓑ −816 , 000 , 000 , 000 −816 , 000 , 000 , 000
• ⓒ −0.000 000 000 000 39 −0.000 000 000 000 39
• ⓓ 0.000008 0.000008
• ⓐ − 8.475 × 10 6 − 8.475 × 10 6
• ⓑ 8 × 10 − 8 8 × 10 − 8
• ⓒ 2.976 × 10 13 2.976 × 10 13
• ⓓ − 4.3 × 10 6 − 4.3 × 10 6
• ⓔ ≈ 1.24 × 10 15 ≈ 1.24 × 10 15

Number of cells: 3 × 10 13 ; 3 × 10 13 ; length of a cell: 8 × 10 −6 8 × 10 −6 m; total length: 2.4 × 10 8 2.4 × 10 8 m or 240 , 000 , 000 240 , 000 , 000 m.

1.3 Radicals and Rational Exponents

5 | x | | y | 2 y z . 5 | x | | y | 2 y z . Notice the absolute value signs around x and y ? That’s because their value must be positive!

10 | x | 10 | x |

x 2 3 y 2 . x 2 3 y 2 . We do not need the absolute value signs for y 2 y 2 because that term will always be nonnegative.

b 4 3 a b b 4 3 a b

14 −7 3 14 −7 3

• ⓒ 88 9 3 88 9 3

( 9 ) 5 = 3 5 = 243 ( 9 ) 5 = 3 5 = 243

x ( 5 y ) 9 2 x ( 5 y ) 9 2

28 x 23 15 28 x 23 15

1.4 Polynomials

The degree is 6, the leading term is − x 6 , − x 6 , and the leading coefficient is −1. −1.

2 x 3 + 7 x 2 −4 x −3 2 x 3 + 7 x 2 −4 x −3

−11 x 3 − x 2 + 7 x −9 −11 x 3 − x 2 + 7 x −9

3 x 4 −10 x 3 −8 x 2 + 21 x + 14 3 x 4 −10 x 3 −8 x 2 + 21 x + 14

3 x 2 + 16 x −35 3 x 2 + 16 x −35

16 x 2 −8 x + 1 16 x 2 −8 x + 1

4 x 2 −49 4 x 2 −49

6 x 2 + 21 x y −29 x −7 y + 9 6 x 2 + 21 x y −29 x −7 y + 9

1.5 Factoring Polynomials

( b 2 − a ) ( x + 6 ) ( b 2 − a ) ( x + 6 )

( x −6 ) ( x −1 ) ( x −6 ) ( x −1 )

• ⓐ ( 2 x + 3 ) ( x + 3 ) ( 2 x + 3 ) ( x + 3 )
• ⓑ ( 3 x −1 ) ( 2 x + 1 ) ( 3 x −1 ) ( 2 x + 1 )

( 7 x −1 ) 2 ( 7 x −1 ) 2

( 9 y + 10 ) ( 9 y − 10 ) ( 9 y + 10 ) ( 9 y − 10 )

( 6 a + b ) ( 36 a 2 −6 a b + b 2 ) ( 6 a + b ) ( 36 a 2 −6 a b + b 2 )

( 10 x − 1 ) ( 100 x 2 + 10 x + 1 ) ( 10 x − 1 ) ( 100 x 2 + 10 x + 1 )

( 5 a −1 ) − 1 4 ( 17 a −2 ) ( 5 a −1 ) − 1 4 ( 17 a −2 )

1.6 Rational Expressions

1 x + 6 1 x + 6

( x + 5 ) ( x + 6 ) ( x + 2 ) ( x + 4 ) ( x + 5 ) ( x + 6 ) ( x + 2 ) ( x + 4 )

2 ( x −7 ) ( x + 5 ) ( x −3 ) 2 ( x −7 ) ( x + 5 ) ( x −3 )

x 2 − y 2 x y 2 x 2 − y 2 x y 2

1.1 Section Exercises

irrational number. The square root of two does not terminate, and it does not repeat a pattern. It cannot be written as a quotient of two integers, so it is irrational.

The Associative Properties state that the sum or product of multiple numbers can be grouped differently without affecting the result. This is because the same operation is performed (either addition or subtraction), so the terms can be re-ordered.

−14 y − 11 −14 y − 11

−4 b + 1 −4 b + 1

43 z − 3 43 z − 3

9 y + 45 9 y + 45

−6 b + 6 −6 b + 6

16 x 3 16 x 3

1 2 ( 40 − 10 ) + 5 1 2 ( 40 − 10 ) + 5

irrational number

g + 400 − 2 ( 600 ) = 1200 g + 400 − 2 ( 600 ) = 1200

inverse property of addition

1.2 Section Exercises

No, the two expressions are not the same. An exponent tells how many times you multiply the base. So 2 3 2 3 is the same as 2 × 2 × 2 , 2 × 2 × 2 , which is 8. 3 2 3 2 is the same as 3 × 3 , 3 × 3 , which is 9.

It is a method of writing very small and very large numbers.

12 40 12 40

1 7 9 1 7 9

3.14 × 10 − 5 3.14 × 10 − 5

16,000,000,000

b 6 c 8 b 6 c 8

a b 2 d 3 a b 2 d 3

q 5 p 6 q 5 p 6

y 21 x 14 y 21 x 14

72 a 2 72 a 2

c 3 b 9 c 3 b 9

y 81 z 6 y 81 z 6

1.0995 × 10 12 1.0995 × 10 12

0.00000000003397 in.

12,230,590,464 m 66 m 66

a 14 1296 a 14 1296

n a 9 c n a 9 c

1 a 6 b 6 c 6 1 a 6 b 6 c 6

0.000000000000000000000000000000000662606957

1.3 Section Exercises

When there is no index, it is assumed to be 2 or the square root. The expression would only be equal to the radicand if the index were 1.

The principal square root is the nonnegative root of the number.

9 5 5 9 5 5

6 10 19 6 10 19

− 1 + 17 2 − 1 + 17 2

7 2 3 7 2 3

20 x 2 20 x 2

17 m 2 m 17 m 2 m

2 b a 2 b a

15 x 7 15 x 7

5 y 4 2 5 y 4 2

4 7 d 7 d 4 7 d 7 d

2 2 + 2 6 x 1 −3 x 2 2 + 2 6 x 1 −3 x

− w 2 w − w 2 w

3 x − 3 x 2 3 x − 3 x 2

5 n 5 5 5 n 5 5

9 m 19 m 9 m 19 m

2 3 d 2 3 d

3 2 x 2 4 2 3 2 x 2 4 2

6 z 2 3 6 z 2 3

−5 2 −6 7 −5 2 −6 7

m n c a 9 c m n m n c a 9 c m n

2 2 x + 2 4 2 2 x + 2 4

1.4 Section Exercises

The statement is true. In standard form, the polynomial with the highest value exponent is placed first and is the leading term. The degree of a polynomial is the value of the highest exponent, which in standard form is also the exponent of the leading term.

Use the distributive property, multiply, combine like terms, and simplify.

4 x 2 + 3 x + 19 4 x 2 + 3 x + 19

3 w 2 + 30 w + 21 3 w 2 + 30 w + 21

11 b 4 −9 b 3 + 12 b 2 −7 b + 8 11 b 4 −9 b 3 + 12 b 2 −7 b + 8

24 x 2 −4 x −8 24 x 2 −4 x −8

24 b 4 −48 b 2 + 24 24 b 4 −48 b 2 + 24

99 v 2 −202 v + 99 99 v 2 −202 v + 99

8 n 3 −4 n 2 + 72 n −36 8 n 3 −4 n 2 + 72 n −36

9 y 2 −42 y + 49 9 y 2 −42 y + 49

16 p 2 + 72 p + 81 16 p 2 + 72 p + 81

9 y 2 −36 y + 36 9 y 2 −36 y + 36

16 c 2 −1 16 c 2 −1

225 n 2 −36 225 n 2 −36

−16 m 2 + 16 −16 m 2 + 16

121 q 2 −100 121 q 2 −100

16 t 4 + 4 t 3 −32 t 2 − t + 7 16 t 4 + 4 t 3 −32 t 2 − t + 7

y 3 −6 y 2 − y + 18 y 3 −6 y 2 − y + 18

3 p 3 − p 2 −12 p + 10 3 p 3 − p 2 −12 p + 10

a 2 − b 2 a 2 − b 2

16 t 2 −40 t u + 25 u 2 16 t 2 −40 t u + 25 u 2

4 t 2 + x 2 + 4 t −5 t x − x 4 t 2 + x 2 + 4 t −5 t x − x

24 r 2 + 22 r d −7 d 2 24 r 2 + 22 r d −7 d 2

32 x 2 −4 x −3 32 x 2 −4 x −3 m 2

32 t 3 − 100 t 2 + 40 t + 38 32 t 3 − 100 t 2 + 40 t + 38

a 4 + 4 a 3 c −16 a c 3 −16 c 4 a 4 + 4 a 3 c −16 a c 3 −16 c 4

1.5 Section Exercises

The terms of a polynomial do not have to have a common factor for the entire polynomial to be factorable. For example, 4 x 2 4 x 2 and −9 y 2 −9 y 2 don’t have a common factor, but the whole polynomial is still factorable: 4 x 2 −9 y 2 = ( 2 x + 3 y ) ( 2 x −3 y ) . 4 x 2 −9 y 2 = ( 2 x + 3 y ) ( 2 x −3 y ) .

Divide the x x term into the sum of two terms, factor each portion of the expression separately, and then factor out the GCF of the entire expression.

10 m 3 10 m 3

( 2 a −3 ) ( a + 6 ) ( 2 a −3 ) ( a + 6 )

( 3 n −11 ) ( 2 n + 1 ) ( 3 n −11 ) ( 2 n + 1 )

( p + 1 ) ( 2 p −7 ) ( p + 1 ) ( 2 p −7 )

( 5 h + 3 ) ( 2 h −3 ) ( 5 h + 3 ) ( 2 h −3 )

( 9 d −1 ) ( d −8 ) ( 9 d −1 ) ( d −8 )

( 12 t + 13 ) ( t −1 ) ( 12 t + 13 ) ( t −1 )

( 4 x + 10 ) ( 4 x − 10 ) ( 4 x + 10 ) ( 4 x − 10 )

( 11 p + 13 ) ( 11 p − 13 ) ( 11 p + 13 ) ( 11 p − 13 )

( 19 d + 9 ) ( 19 d − 9 ) ( 19 d + 9 ) ( 19 d − 9 )

( 12 b + 5 c ) ( 12 b − 5 c ) ( 12 b + 5 c ) ( 12 b − 5 c )

( 7 n + 12 ) 2 ( 7 n + 12 ) 2

( 15 y + 4 ) 2 ( 15 y + 4 ) 2

( 5 p − 12 ) 2 ( 5 p − 12 ) 2

( x + 6 ) ( x 2 − 6 x + 36 ) ( x + 6 ) ( x 2 − 6 x + 36 )

( 5 a + 7 ) ( 25 a 2 − 35 a + 49 ) ( 5 a + 7 ) ( 25 a 2 − 35 a + 49 )

( 4 x − 5 ) ( 16 x 2 + 20 x + 25 ) ( 4 x − 5 ) ( 16 x 2 + 20 x + 25 )

( 5 r + 12 s ) ( 25 r 2 − 60 r s + 144 s 2 ) ( 5 r + 12 s ) ( 25 r 2 − 60 r s + 144 s 2 )

( 2 c + 3 ) − 1 4 ( −7 c − 15 ) ( 2 c + 3 ) − 1 4 ( −7 c − 15 )

( x + 2 ) − 2 5 ( 19 x + 10 ) ( x + 2 ) − 2 5 ( 19 x + 10 )

( 2 z − 9 ) − 3 2 ( 27 z − 99 ) ( 2 z − 9 ) − 3 2 ( 27 z − 99 )

( 14 x −3 ) ( 7 x + 9 ) ( 14 x −3 ) ( 7 x + 9 )

( 3 x + 5 ) ( 3 x −5 ) ( 3 x + 5 ) ( 3 x −5 )

( 2 x + 5 ) 2 ( 2 x − 5 ) 2 ( 2 x + 5 ) 2 ( 2 x − 5 ) 2

( 4 z 2 + 49 a 2 ) ( 2 z + 7 a ) ( 2 z − 7 a ) ( 4 z 2 + 49 a 2 ) ( 2 z + 7 a ) ( 2 z − 7 a )

1 ( 4 x + 9 ) ( 4 x −9 ) ( 2 x + 3 ) 1 ( 4 x + 9 ) ( 4 x −9 ) ( 2 x + 3 )

1.6 Section Exercises

You can factor the numerator and denominator to see if any of the terms can cancel one another out.

True. Multiplication and division do not require finding the LCD because the denominators can be combined through those operations, whereas addition and subtraction require like terms.

y + 5 y + 6 y + 5 y + 6

3 b + 3 3 b + 3

x + 4 2 x + 2 x + 4 2 x + 2

a + 3 a − 3 a + 3 a − 3

3 n − 8 7 n − 3 3 n − 8 7 n − 3

c − 6 c + 6 c − 6 c + 6

d 2 − 25 25 d 2 − 1 d 2 − 25 25 d 2 − 1

t + 5 t + 3 t + 5 t + 3

6 x − 5 6 x + 5 6 x − 5 6 x + 5

p + 6 4 p + 3 p + 6 4 p + 3

2 d + 9 d + 11 2 d + 9 d + 11

12 b + 5 3 b −1 12 b + 5 3 b −1

4 y −1 y + 4 4 y −1 y + 4

10 x + 4 y x y 10 x + 4 y x y

9 a − 7 a 2 − 2 a − 3 9 a − 7 a 2 − 2 a − 3

2 y 2 − y + 9 y 2 − y − 2 2 y 2 − y + 9 y 2 − y − 2

5 z 2 + z + 5 z 2 − z − 2 5 z 2 + z + 5 z 2 − z − 2

x + 2 x y + y x + x y + y + 1 x + 2 x y + y x + x y + y + 1

2 b + 7 a a b 2 2 b + 7 a a b 2

18 + a b 4 b 18 + a b 4 b

a − b a − b

3 c 2 + 3 c − 2 2 c 2 + 5 c + 2 3 c 2 + 3 c − 2 2 c 2 + 5 c + 2

15 x + 7 x −1 15 x + 7 x −1

x + 9 x −9 x + 9 x −9

1 y + 2 1 y + 2

Review Exercises

y = 24 y = 24

3 a 6 3 a 6

x 3 32 y 3 x 3 32 y 3

1.634 × 10 7 1.634 × 10 7

4 2 5 4 2 5

7 2 50 7 2 50

3 x 3 + 4 x 2 + 6 3 x 3 + 4 x 2 + 6

5 x 2 − x + 3 5 x 2 − x + 3

k 2 − 3 k − 18 k 2 − 3 k − 18

x 3 + x 2 + x + 1 x 3 + x 2 + x + 1

3 a 2 + 5 a b − 2 b 2 3 a 2 + 5 a b − 2 b 2

4 a 2 4 a 2

( 4 a − 3 ) ( 2 a + 9 ) ( 4 a − 3 ) ( 2 a + 9 )

( x + 5 ) 2 ( x + 5 ) 2

( 2 h − 3 k ) 2 ( 2 h − 3 k ) 2

( p + 6 ) ( p 2 − 6 p + 36 ) ( p + 6 ) ( p 2 − 6 p + 36 )

( 4 q − 3 p ) ( 16 q 2 + 12 p q + 9 p 2 ) ( 4 q − 3 p ) ( 16 q 2 + 12 p q + 9 p 2 )

( p + 3 ) 1 3 ( −5 p − 24 ) ( p + 3 ) 1 3 ( −5 p − 24 )

x + 3 x − 4 x + 3 x − 4

m + 2 m − 3 m + 2 m − 3

6 x + 10 y x y 6 x + 10 y x y

Practice Test

x = –2 x = –2

3 x 4 3 x 4

13 q 3 − 4 q 2 − 5 q 13 q 3 − 4 q 2 − 5 q

n 3 − 6 n 2 + 12 n − 8 n 3 − 6 n 2 + 12 n − 8

( 4 x + 9 ) ( 4 x − 9 ) ( 4 x + 9 ) ( 4 x − 9 )

( 3 c − 11 ) ( 9 c 2 + 33 c + 121 ) ( 3 c − 11 ) ( 9 c 2 + 33 c + 121 )

4 z − 3 2 z − 1 4 z − 3 2 z − 1

3 a + 2 b 3 b 3 a + 2 b 3 b

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• Authors: Jay Abramson
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• Book title: College Algebra
• Publication date: Feb 13, 2015
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• Book URL: https://openstax.org/books/college-algebra/pages/1-introduction-to-prerequisites
• Section URL: https://openstax.org/books/college-algebra/pages/chapter-1

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The 5 Best Homework Help Websites (Free and Paid!)

Other High School , General Education

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• Price: $40 to $153 per month, depending on how many hours of tutoring you want 
• Best for: Comprehensive and personalized reading and writing help 

While sites like Grammarly and Sparknotes help you by either proofreading what you write via an algorithm or providing book summaries, Princeton Review’s tutors provide in-depth help with vocabulary, literature, essay writing and development, proofreading, and reading comprehension. And unlike other services, you’ll have the chance to work with a real person to get help. 

The best part is that you can get on-demand English (and ESL) tutoring from experts 24/7. That means you can get help whenever you need it, even if you’re pulling an all-nighter! 

This is by far the most expensive homework site on this list, so you’ll need to really think about what you need out of a homework help website before you commit. One added benefit is that the subscription covers over 80 other subjects, including AP classes, which can make it a good value if you need lots of help!  

Best Site for STEM Homework Help: Studypool

• Best for: Science homework help
• Price: Varies; you’ll pay for each question you submit

When it comes to science homework help, there aren’t a ton of great resources out there. The best of the bunch is Studypool, and while it has great reviews, there are some downsides as well. 

Let’s start with the good stuff. Studypool offers an interesting twist on the homework help formula. After you create a free account, you can submit your homework help questions, and tutors will submit bids to answer your questions. You’ll be able to select the tutor–and price point–that works for you, then you’ll pay to have your homework question answered. You can also pay a small fee to access notes, lectures, and other documents that top tutors have uploaded. 

The downside to Studypool is that the pricing is not transparent . There’s no way to plan for how much your homework help will cost, especially if you have lots of questions! Additionally, it’s not clear how tutors are selected, so you’ll need to be cautious when you choose who you’d like to answer your homework questions.  

What Are the Pros and Cons of Using Homework Help Sites?

Homework help websites can be a great resource if you’re struggling in a subject, or even if you just want to make sure that you’re really learning and understanding topics and ideas that you’re interested in. But, there are some possible drawbacks if you don’t use these sites responsibly. 

We’ll go over the good–and the not-so-good–aspects of getting online homework help below. 

3 Pros of Using Homework Help Websites 

First, let’s take a look at the benefits. 

#1: Better Grades Beyond Homework

This is a big one! Getting outside help with your studies can improve your understanding of concepts that you’re learning, which translates into better grades when you take tests or write essays. 

Remember: homework is designed to help reinforce the concepts you learned in class. If you just get easy answers without learning the material behind the problems, you may not have the tools you need to be successful on your class exams…or even standardized tests you’ll need to take for college. 

#2: Convenience

One of the main reasons that online homework help is appealing is because it’s flexible and convenient. You don’t have to go to a specific tutoring center while they’re open or stay after school to speak with your teacher. Instead, you can access helpful resources wherever you can access the internet, whenever you need them.

This is especially true if you tend to study at off hours because of your extracurriculars, work schedule, or family obligations. Sites that offer 24/7 tutoring can give you the extra help you need if you can’t access the free resources that are available at your school. 

#3: Variety

Not everyone learns the same way. Maybe you’re more of a visual learner, but your teacher mostly does lectures. Or maybe you learn best by listening and taking notes, but you’re expected to learn something just from reading the textbook . 

One of the best things about online homework help is that it comes in a variety of forms. The best homework help sites offer resources for all types of learners, including videos, practice activities, and even one-on-one discussions with real-life experts. 

This variety can also be a good thing if you just don’t really resonate with the way a concept is being explained (looking at you, math textbooks!).

Not so fast. There are cons to homework help websites, too. Get to know them below!

3 Cons of Using Homework Help Websites 

Now, let’s take a look at the drawbacks of online homework help. 

#1: Unreliable Info

This can be a real problem. In addition to all the really good homework help sites, there are a whole lot of disreputable or unreliable sites out there. The fact of the matter is that some homework help sites don’t necessarily hire people who are experts in the subjects they’re talking about. In those cases, you may not be getting the accurate, up-to-date, and thorough information you need.

Additionally, even the great sites may not be able to answer all of your homework questions. This is especially true if the site uses an algorithm or chatbot to help students…or if you’re enrolled in an advanced or college-level course. In these cases, working with your teacher or school-provided tutors are probably your best option. 

#2: No Clarification

This depends on the service you use, of course. But the majority of them provide free or low-cost help through pre-recorded videos. Watching videos or reading info online can definitely help you with your homework… but you can’t ask questions or get immediate feedback if you need it .

#3: Potential For Scamming 

Like we mentioned earlier, there are a lot of homework help websites out there, and lots of them are scams. The review comments we read covered everything from outdated or wrong information, to misleading claims about the help provided, to not allowing people to cancel their service after signing up. 

No matter which site you choose to use, make sure you research and read reviews before you sign up–especially if it’s a paid service! 

When Does “Help” Become “Cheating”?

Admittedly, whether using homework help websites constitutes cheating is a bit of a grey area. For instance, is it “help” when a friend reads your essay for history class and corrects your grammar, or is it “cheating”? The truth is, not everyone agrees on when “help” crosses the line into “cheating .” When in doubt, it can be a good idea to check with your teacher to see what they think about a particular type of help you want to get. 

That said, a general rule of thumb to keep in mind is to make sure that the assignment you turn in for credit is authentically yours . It needs to demonstrate your own thoughts and your own current abilities. Remember: the point of every homework assignment is to 1) help you learn something, and 2) show what you’ve learned. 

So if a service answers questions or writes essays for you, there’s a good chance using it constitutes cheating. 

Here’s an example that might help clarify the difference for you. Brainstorming essay ideas with others or looking online for inspiration is “help” as long as you write the essay yourself. Having someone read it and give you feedback about what you need to change is also help, provided you’re the one that makes the changes later. 

But copying all or part of an essay you find online or having someone write (or rewrite) the whole thing for you would be “cheating.” The same is true for other subjects. Ultimately, if you’re not generating your own work or your own answers, it’s probably cheating.

5 Tips for Finding the Best Homework Help Websites for You

Now that you know some of our favorite homework help websites, free and paid, you can start doing some additional research on your own to decide which services might work best for you! Here are some top tips for choosing a homework help website. 

Tip 1: Decide How You Learn Best 

Before you decide which site or sites you’re going to use for homework help, y ou should figure out what kind of learning style works for you the most. Are you a visual learner? Then choose a site that uses lots of videos to help explain concepts. If you know you learn best by actually doing tasks, choose a site that provides lots of practice exercises.

Tip 2: Determine Which Subjects You Need Help With

Just because a homework help site is good overall doesn’t mean that it’s equally good for every subject. If you only need help in math, choose a site that specializes in that area. But if history is where you’re struggling, a site that specializes in math won’t be much help. So make sure to choose a site that you know provides high-quality help in the areas you need it most. 

Tip 3: Decide How Much One-On-One Help You Need 

This is really about cost-effectiveness. If you learn well on your own by reading and watching videos, a free site like Khan Academy is a good choice. But if you need actual tutoring, or to be able to ask questions and get personalized answers from experts, a paid site that provides that kind of service may be a better option.

Tip 4: Set a Budget

If you decide you want to go with a paid homework help website, set a budget first . The prices for sites vary wildly, and the cost to use them can add up quick. 

Tip 5: Read the Reviews

Finally, it’s always a good idea to read actual reviews written by the people using these homework sites. You’ll learn the good, the bad, and the ugly of what the users’ experiences have been. This is especially true if you intend to subscribe to a paid service. You’ll want to make sure that users think it’s worth the price overall!

What’s Next?

If you want to get good grades on your homework, it’s a good idea to learn how to tackle it strategically. Our expert tips will help you get the most out of each assignment…and boost your grades in the process.

Doing well on homework assignments is just one part of getting good grades. We’ll teach you everything you need to know about getting great grades in high school in this article.

Of course, test grades can make or break your GPA, too. Here are 17 expert tips that’ll help you get the most out of your study prep before you take an exam.

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Ashley Sufflé Robinson has a Ph.D. in 19th Century English Literature. As a content writer for PrepScholar, Ashley is passionate about giving college-bound students the in-depth information they need to get into the school of their dreams.

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Algebra Homework Help

A complete algebra homework help overview.

With its difficult and intricate concepts, algebra is a proven source of pain for many students. Thankfully, our algebra homework help specialists are here to make the subject a little more digestible. They can break down the many sub-disciplines that characterize algebra, such as number theories, analysis, and symbols. Backed by the expert support provided by StudyGate, you’ll ace your assignment and earn an awesome grade at the end of the course.

We Understand Your Challenges

Here is the difficulty with algebra: it requires you to think logically about numbers rather than compute them. And whether you typically love or hate math, the different thought processes demanded can put you in confusing situations. Our college algebra homework help is designed for all students, from those needing to fulfill graduation requirements to those hoping to learn critical thinking skills. In both cases, the goal is to help you deliver a quality assignment to your instructor.

Terms Can Be Confusing

Another tricky aspect of algebra is its broad use of confusing terms. We think of math as being very traditional: a number represents a specific value. But with algebra, your vocabulary needs to expand in a way that doesn’t necessarily come naturally. Take a look at what we mean: Absolute Value This refers to the distance of a value from the origin to the number line. Trying to remember this late at night, however, as other courses batter your mind can be tough. Take a break and ask StudyGate for help with algebra homework.

Coefficient Coefficient describes the number in front of variables in an algebraic expression or equation. Our algebra homework helpers are well acquainted with such terminology and can easily apply it to your assignment needs.

Exponent This term refers to the power to which any number can be raised. But if memorizing algebra terms isn’t working for you, reach out to our team for algebra homework help.

Quadratic Equations In the simplest terms, this type of equation contains only one unknown variable. Understand this better by reaching out for algebra math homework help.

Variable A variable is a symbol for a number not yet known, with “x” and “y” commonly used as a representation. Our algebra homework helpers can explain this so it’s crystal clear.

Why You Should Choose StudyGate for Help with Algebra Homework

It’s easy to become paralyzed by fear, especially when you’re facing a deadline and have no idea how to meet it. Our college algebra homework help is like a breath of fresh air, soothing your concerns so you can concentrate on other tasks.

You have a few options when it comes to completing a daunting assignment. You can try to get through it yourself, reading text and fighting to apply its concepts to the problem in front of you. You can also forget about the assignment altogether and decide algebra just isn’t for you. Or, you can take control of your academic success and get algebra homework help from the most trusted source on the Internet: StudyGate.

This option allows you to save time. Our skilled team of experts can whip through an assignment that might take you hours or even days to complete. And with a promise of at least 80% accuracy, you can be assured it’s done correctly.

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Fighting to understand algebra by yourself is a hassle. We hate this word and all it means and have therefore established a streamlined process. You simply provide us with your question and relevant details, pick the due date for a response, and wait for our tutors to start bidding. Once a bid comes in that suits your budget and timeline, you can accept and begin communicating directly with your expert. And after the assignment is complete, he or she will send it back to you and wait for feedback. It couldn’t be simpler.

Every Assignment Is Customized

Plagiarism is something you never need to worry about with StudyGate. All of our responses are customized to meet the particulars of your assignment. We review your instructor’s directives and then develop an answer accordingly. In turn, the answers we provide are based on knowledge, not canned info from the Internet.

Use the Answer We Provide for Future Reference

The solution provided by your algebra homework helper will be so concise, so thorough, that you’ll want to keep it for future reference. You can review the flow of work and apply that to other problems you encounter in class. And if additional assignments drag you down, you can turn to us again for algebra homework help; you also have the option to schedule an online tutoring session to dive even deeper into the subject of algebra.

See a Sample Algebra Question and Answer

It’s easier to see work in action than to be told about it. Here, we treat you to free online algebra homework help. Take a look at this real-world example to understand how our team works.

A painter can paint a room in 10 hours. An apprentice can paint the same room in 15 hours. How long would it take them working together?

Let the area of the room to be painted be x feet 2

Time taken by the painter to paint the room = 10 hours.

Area of room painted by painter in one hour = x/10 feet 2 .

Time taken by the apprentice to paint the room = 15 hours.

Area of room painted by apprentice in one hour = x/15 feet 2 .

If both the painter and apprentice paint the room, then area of the room painted by painter and apprentice in one hour =

x/10 + x/15 ft 2 = 3x + 2x/30 ft 2 = 5x/30 ft 2 = x/6 ft 2

Now we know that the area of the room is x ft 2 .

So, total time taken by painter and apprentice painting the room together =

x divided by x/6 = x/x*6 = 1*6 = 6 hours

Our Experts Can Help with All Your Classes

The college algebra homework helpers at StudyGate understand common problems students face, including struggling with algebra’s abstract nature. Let’s face it: this course is different from any other math subject. It can be hard to grasp algebraic problems because they require a thought process similar to detective work; you must work in a series of steps to find the answer.

That’s what makes our help with algebra homework so unique – we break down the problem and show you how to arrive at the correct answer. This can be seen in the free online algebra homework help sample we provided above. And if any step doesn’t make sense, simply reach out to your tutor and ask for clarification.

You may not see it right now, but algebra is a highly beneficial subject. It reinforces logical thinking and is useful around the house and other spaces to identify square footage. It can even be used to calculate how long it might take you to shower or cook breakfast.

For these reasons, our algebra homework helpers want you to understand this subject in a lasting way, starting with Algebra 1. We can help with questions concerning inequalities, real numbers, and much more. To get this algebra homework help, you simply need to log into your account, post your question, and wait for our tutors to begin responding – a process that takes little to no time at all.

Algebra 2 builds on the materials from Algebra 1 while also introducing new ideas. Whether you struggled with Algebra 1 or not, this higher-level class can pose its own challenges. Rest assured, though, our professional team can breeze through your questions about quadratic equations, polynomials, and other topics.

Algebra Math Homework Help Just the Way You Want It: Fast and Affordable

StudyGate helps you make the grade you need with expert algebra homework help. We’ll also meet the timeline you provide, whether your assignment is due in 24 hours or two weeks. Why are we so diligent in our service? Because we understand the pressures college students face. All of our tutors have earned at least a four-year degree and either hold or are working toward their master’s.

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One of the most important points we need to make is that help with algebra homework shouldn’t keep you from eating, going out with friends, or otherwise enjoying life. That’s why we offer the fairest and most affordable pricing available. It’s based on a very simple principle – the harder the project, the more we charge.

Here’s how it works: short questions that can be answered in one hour or less cost $1 to $20. Worksheets that feature a couple of questions run $20 to $100. Full projects start at $100 and increase accordingly. Because we have a number of tutors ready to tackle your homework, you can expect a highly competitive rate that will help keep money in your pocket.

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At StudyGate, you can request edits for your algebra math homework help as many times as you feel necessary, free of charge. And you can communicate these changes directly to your algebra homework helper for the most timey responses possible.

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Where can I get help with my algebra homework?

StudyGate is a simple, seamless platform that connects you with the algebra homework helper of your choice. You can make your selection based on a variety of factors, including your budget, the tutor’s bio, and the timeframe provided by the tutor. This keeps you in complete control so you work with the person you want rather than someone randomly assigned to you.

Is there a calculator that solves algebra?

The problem with using a calculator for algebra math homework help is that it doesn’t outline the steps required to solve the problem. This means you learn nothing in the process and, even if you get a good grade on that single assignment, may still lack the knowledge to complete future homework or quizzes.

Is copying homework cheating?

In a word, yes, and most colleges and universities enact strict plagiarism policies. Instead, turn to StudyGate for help with algebra homework.

How can I make homework fun?

Work with StudyGate! Our algebra homework helpers know math can be a little dry. That’s why they often add a touch of humor – it helps lighten the mood and makes the learning experience that much better.

Can I pay someone to do my math?

Paying a tutor for college algebra homework help is both acceptable and appropriate. And thanks to our privacy policy, we’ll never share your personal information with anyone. Ever. The only people who will know you worked with an algebra homework helper are those you choose to tell.

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By working with an expert who can explain concepts, show you the correct path to answers, and simplify the whole homework process. We know time is of the essence when a deadline is looming. Our algebra homework helpers move quickly to get the job done.

Can homework kill you?

We totally understand why you might think it can, but rest assured homework won’t harm your health. What can be detrimental is stress, which often builds when you have multiple assignments to complete, have been studying all day, and just don’t understand the concepts in front of you. We can relieve that anxiety by providing algebra math homework help right when you need it. We’ve said it before, and we’ll say it again. No concept is too difficult, and no timeline (reasonably speaking) is too tight. Give yourself a break and use this very moment to ask for help with algebra homework.

Can I ask my tutor questions?

Absolutely. At StudyGate, we’re all about communication. Your tutor will ask for any supplementary materials he or she needs to work on your assignment. And you should feel free to do the same, regularly staying in contact with your expert to ask for additional information or updates. This ensures a great experience for both of you and helps you feel more comfortable as your assignment is in progress.

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College Algebra

Also known as "High School Algebra"

OK. So what are you going to learn here?

You will learn about Numbers, Polynomials, Inequalities, Sequences and Sums, many types of Functions, and how to solve them.

You will also gain a deeper insight into Mathematics, get to practice using your new skills with lots of examples and questions, and generally improve your mind.

With your new skills you will be able to put together mathematical models so you can find good quality solutions to many tricky real world situations.

Near the end of most pages is a "Your Turn" section ... do these! You need to balance your reading with doing . Answering questions helps you sort things out in your mind. And don't guess the answer: use pen and paper and try your best before seeing the solution.

So what is this thing called Mathematics? And how do you go about learning it?

• Welcome to Mathematics
• Learning Mathematics
• The Language of Mathematics
• Symbols in Algebra

Next, we need to think about mathematics in terms of sets .

• Introduction to Sets

Now we know what a set is, let us look at different sets of numbers that are useful:

• The Evolution of Numbers
• Prime and Composite Numbers
• Fundamental Theorem of Arithmetic
• Whole Numbers and Integers
• Rational Numbers
• Using Rational Numbers
• Irrational Numbers
• 0.999... = 1
• Real Numbers
• Imaginary Numbers
• Complex Numbers
• Multiplying Complex Numbers
• The Complex Plane
• Common Number Sets

Inequalities

"Equal To" is nice but not always available. Maybe we only know that something is less than, or greater than. So let's learn about in equalities.

• Introduction to Inequalities
• Properties of Inequalities
• Solving Inequalities
• Solving Inequality Word Questions

We will be using exponents a lot, so let's get to know them well.

• Variables with Exponents
• Using Exponents in Algebra
• Squares and Square Roots
• Squares and Square Roots in Algebra
• Fractional Exponents
• Laws of Exponents
• Exponents of Negative Numbers

Polynomials

Polynomials were some of the first things ever studied in Algebra. They are simple, yet powerful in their ability to model real world situations.

• What is a Polynomial?
• Adding And Subtracting Polynomials
• Multiplying Polynomials
• Polynomials - Long Multiplication
• Dividing Polynomials
• Polynomials - Long Division
• Degree (of an Expression)
• Special Binomial Products
• Difference of Two Cubes
• Factoring in Algebra
• Solving Polynomials
• Roots of Polynomials: Sums and Products
• Rational Expressions
• Using Rational Expressions
• Fundamental Theorem of Algebra
• Remainder Theorem and Factor Theorem
• General Form of a Polynomial

Graphing Polynomials

• How Polynomials Behave
• Polynomials: The Rule of Signs
• Polynomials: Bounds on Zeros

And, of course, we need to know about equations ... and how to solve them.

• Equations and Formulas
• Solving Equations
• Solving Word Questions
• Zero Product Property
• Implication and Iff
• Theorems, Corollaries, Lemmas

Graphs can save us! They are a great way to see what is going on and can help us solve many things. But we need to be careful, as they sometimes don't give the full story.

• Cartesian Coordinates
• Pythagoras' Theorem
• Distance Between 2 Points
• Graph of an Equation
• Finding Intercepts From an Equation
• Symmetry in Equations
• Linear Equations

They are just equations for lines. But they come in many forms.

• Equation of a Straight Line
• Point-Slope Equation of a Line
• General Form of Equation of a Line
• Equation of a Line from 2 Points
• Midpoint of a Line Segment
• Parallel and Perpendicular Lines

A function relates an input to an output. But from that simple foundation many useful things can be built.

• What is a Function?
• Domain, Range and Codomain
• Evaluating Functions
• Increasing and Decreasing Functions
• Maxima and Minima of Functions
• Even and Odd Functions
• Set-Builder Notation

Common Functions Reference :

• Square Function
• Square Root Function
• Cube Function
• Reciprocal Function
• Absolute Value Function
• Floor and Ceiling Function
• Function Transformations
• Equation Grapher
• Operations with Functions
• Composition of Functions
• Inverse Functions

Equations of Second Degree

"Second degree" just means the variable has an exponent of 2, like x 2 . It is the next major step after linear equations (where the exponent is 1, like x).

• Quadratic Equations
• Factoring Quadratics
• Completing the Square
• Derivation of Quadratic Formula
• Graphing Quadratic Equations
• Quadratic Equations in the Real World
• Circle Equations

We already have experience in solving, but now we can learn more!

• Mathematical Models and Mathematical Models 2
• Approximate Solutions
• Intermediate Value Theorem
• Solving Radical Equations
• Change of Variables
• Algebra Mistakes

We learned about inequalities above, now let's learn how to solve them.

• Graphing Linear Inequalities
• Inequality Graphing Tool
• Solving Quadratic Inequalities
• Solving Rational Inequalities
• Absolute Value in Algebra

Exponents and Logarithms

We already know about exponents ... well logarithms just go the other way. And together they can be very powerful.

• Introduction to Logarithms
• Exponents, Roots and Logarithms
• Working with Exponents and Logarithms
• Exponential Function
• Logarithmic Function
• Exponential Growth and Decay
• Systems of Linear Equations

What happens when we have two or more linear equations that work together? They can often be solved! It isn't very hard but can take a lot of calculations.

• Types of Matrix
• How to Multiply Matrices
• Determinant of a Matrix
• Inverse of a Matrix:
• Using Elementary Row Operations (Gauss-Jordan)
• Using Minors, Cofactors and Adjugate
• Scalar, Vector, Matrix and Vectors
• Matrix Calculator
• More at Matrix Index
• Solving Systems of Linear Equations Using Matrices
• Systems of Linear and Quadratic Equations
• Probability

Is it likely? You be the judge!

• The Basic Counting Principle
• Combinations and Permutations

Sequences, Series and Partial Sums

A Sequence is a set of things (usually numbers) that are in order. We can also sum up a series, where Sigma Notation is very useful.

• Sequences - Finding A Rule
• Sigma Notation
• Partial Sums
• Arithmetic Sequences and Sums
• Geometric Sequences and Sums

These last few subjects use what we have learned above.

• Partial Fractions
• Mathematical Induction
• Pascal's Triangle
• Binomial Theorem

And that is all!

But there are many other interesting algebra topics such as:

• Euler's Formula for Complex Numbers
• Taylor Series (needs a basic understanding of derivatives )

Solvo - Math Homework Helper 4+

Problem solver & essay writer.

• #160 in Education
• 4.7 • 183 Ratings
• Offers In-App Purchases

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Description.

Solvo is your new superpower in education and beyond Maximize your academic potential with your own personal AI homework helper! Meet Solvo—an AI-powered math, chemistry, biology, physics solver & essay writer that revolutionizes the way you manage study assignments. Simply scan, type, or upload the task in front of you and let the app work its magic! Check out what Solvo can help you with: Scan & Solve • Scan and solve math problems, equations, and more Faced with a boss-level problem (e.g., you need science answers) and don’t know where to start? Snap a picture of it—you’ll see the result and in-depth solution steps. This way, you gain more insights into how to tackle certain tasks and become more confident solving them yourself next time! Math, science answers, and more—you name it, our AI homework helper helps with it in a flash. • Ace any test and quiz Our AI homework helper can answer all sorts of questions typically used in tests and quizzes, including true or false, multiple-choice, and open questions. Biology solver? Chemistry solver? It’s already in your pocket! Simply tap Text-Based Problems, snap a picture of the question, and get your answer in seconds. This feature can also help you test your knowledge and prepare for exams. Streamline Reading & Writing • Write killer essays in a breeze Have excellent ideas for your essay but find it hard to articulate them clearly? No problem—Solvo is an experienced essay writer! Simply tap Create Essay and type your subject. You can go ahead and use the output directly or to get your creative juices flowing. • Improve and reword your writing Solvo isn’t just an essay writer—it’s a great editor! Already prepared a draft of your text and need help with polishing it into something truly A grade-worthy? Just upload your writing to our AI homework helper, and the app will offer suggestions to reword and improve it. This can be a game-changer if you feel stuck with a writing assignment. • Read smarter, not harder Our AI homework helper can be a lifesaver if you need a quick overview of a book. Type the name of the book or its author, or upload the book if you've got a file, and no matter how long or complex, tap Generate Summary. Get the essentials in a breeze! Math solver, physics homework solver, essay writer, biology solver, chemistry solver—Solvo wears many hats! Yes, studies can be challenging, but with our AI homework helper, you're well-equipped to handle them! Get answers to all your problems—including tricky science answers—with prompt assistance for your tasks whenever and wherever you need it and enjoy studying with less anxiety. Be unstoppable in class with Premium! A subscription allows you to: • Remove usage limits • Get more detailed answers • Use text recognition (OCR) • Get instant responses Subscriptions are auto-billed based on the chosen plan. Privacy Policy - https://aiby.mobi/ai_study_ios/privacy Terms of Use - https://aiby.mobi/ai_study_ios/terms

Version 1.30

Get ready for the back-to-school season with Solvo! In this update: — Improved scanning and solving of visual tasks (including graphs, geometry, tables, and more) — Leave feedback after any solution, so we can continue improving task-solving — Copy and share any solution Don’t forget to send feedback to [email protected] and leave your review on the App Store! It helps us make the app even better.

Ratings and Reviews

183 Ratings

Great App / One Major Issue

I love this app. Its saved me multiple times on upcoming tests, and the great thing about it is it thoroughly goes through the topic step-by-step making sure you understand how the AI got to the solution. All that to be said, I really wish there was a feature to edit the text that was scanned in the picture. I think its already an intended design because theres text displayed saying if you’d made typos heres the time to fix it, but it doesn't work. Tapping on the screen doesn't do anything. You can copy and paste the text but theres no way to edit it where the users keyboard opens. This is a 10/10 if I could edit the prompt.

A wonderful app

Very helpful app I was needing something to help me with my daughter’s homework my daughter is horrible on taking notes in school. And if I have notes to see the task I’m good at figuring it out how to do the rest so I tried this help because I couldn’t find anything online to help me. So when this can’t up I was like why not. And I was glad I did it tells u how to solve it. And I could figure out the rest by their help. The only thing I would like if they make another app or add on this this one for younger kids. I know a couple of parents that also need help with there kid’s homework (how to help there child I don’t do it for my kids do there homework but I have to explain it to them sometimes and for that I need to refresh my mind as will) and this is a great app for that just hope they for something god younger students grades 2nd to 5th graders would help parents a lot.

HAPPENING NOW

App privacy.

The developer, AIBY , indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

• Identifiers

Data Linked to You

The following data may be collected and linked to your identity:

• User Content
• Diagnostics

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Information

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• Weekly subscription $6.99
• Yearly subscription $39.99
• Yearly subscription $19.99
• 10 Requests $4.99
• 5 Requests $2.99
• Developer Website
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• Privacy Policy

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