Pre-Algebra 2.1-2.6 Review

Absolute Value

100

What is |-9|?

9

200

What is |4-9|?

5

300

What is |-9 x -6|?

54

400

What is |-9-17|?

26

500

What is |-10 - (-3)|?

7

Inequalities

100

Solve for y: y + 2 > 17

y > 15

200

Solve for y: 6y ≤ 36

y ≤ 6

300

Solve for y: -8y < 8

y > -1

400

Solve for y: y ÷ -3 ≤ 1

y ≥ -3

500

Solve for y: -11y > 121

y < -11

Exponential Form

100

Write the following in exponential form: 6 x 6 

6²

200

Write the following in exponential form: 7 x 7 x 7

7³

300

Write in exponential form: 11 x 11 x 11 x 11 x 11 x 11

11⁶

400

Write in exponential form: -7 x -7 x -7

(-7)³

500

Write in exponential form: -5 x -5 x -5 x -5 x -5 x -5 x -5

(-5)⁷

Substitution

100

Evaluate b³ for b = 1

1

200

Evaluate b² + 1 for b = 2

5

300

Evaluate b³ + 12 for b = 3

39

400

Evaluate b³ - (-9) for b = 4

73

500

Evaluate b³ + 13 for b = -5

-112

Order of Operations

100

Evaluate: (9 + 3) - 6

6

200

Evaluate: (8 x 4) - 2²

28

300

Evaluate: (3 x 4) - 5² + (6+2)

-5

400

Evaluate: (-5)² + 3² - (4 x 11)

-10

500

Evaluate: -3² + (-4)² + -3³

-20