Algebra 1 Review

Equations

100

3x+1=-8

x=-3

200

-10 + 2x = x

x =10

300

 6 + (k/4) = 14

32

400

-5(x+6)-10=10 

x=-10

500

4(x-2)=2(x+8)

x=12

Mixed Review #1

100

2⁴

16

200

What is 9³?

729

300

What is the value of 2³ + 3² - 4²?

1

https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-exponents/v/introduction-to-exponents

400

Simplify (Hint: x⁰ =1)

1

500

Find the 15th term of the arithmetic sequence. 

1, 5, 9, 13, ...

Arithmetic. 

a15 = 57

Order of Operations

100

Simplify the following expression:

62

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

200

Simplify the following expression:

5

https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-order-of-operations/v/introduction-to-order-of-operations

300

3 + 4² • (3 + 2)

83

400

45

500

30

Adding Integers

100

-4 + -5

-9

 

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

200

14 + -12 =

2

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

300

-10 + 15

5

https://www.khanacademy.org/math/arithmetic/arith-review-negative-numbers/arith-review-add-negatives-intro/v/adding-negative-numbers

400

-18 + (-12) =

-30

500

6 + (-2 + -5) =

-1

Combine Like Terms

100

5x + 7x

12x

200

3x + 6 + 7x + 3

10x + 9

300

8 + 4x + 1 - 12 + 5x

9x - 3

400

-11j + 16 - 22j - 27 + 5j

-28j - 11

500

Combine like terms:

9y + 3 - 4x -2y - 3x - 5

7y - 7x - 2

OR

-7x + 7y - 2

Mixed Review #2

100

Solve for y: 

3x-2y>10

y<3/2x-5

200

Solve by substitution. Show ALL work. 

y = 2x + 3

2x + 3y = 1

x = -1

y = 1

300

Identify the x and y intercepts of the following linear equation. 

y = -2x+4

(2,0) and (0,4)

400

Solve by elimination

2x + 3y = 2

4x - 3y = 10

x = 2

y = -2/3

500

Calculate the mean (average), median (middle #), and mode (most common).

8, 4, 5, 8, 5, 4, 8

mode = 8

mean = 6

median = 5