Review

Find the value of 3² + 2³.

• 17
• 12
• 14
• 15

Evaluate the expression: 6 + 21 ÷ 7.

• 27/7
• 9
• 10
• 4

Evaluate the expression: 2 × 14 ÷ (3² − 2)

• 3
• 6
• 8
• 4

To find the square root of a number, you must divide it by 2.

• True
• False

√(225÷9)
Hint: It is not irrational

• 5.6
• 5
• 12.33333333333333333333
• 2.9

Solve:
-15  -  3 =

• 12
• -12
• -18
• 18

Solve:
80 + (-8) =

• 88
• -88
• 72
• -72

Solve:
-39 ÷ (-3) = 

• 42
• -42
• 13
• -13

What does 6³ mean?

• 6 · 6 · 6
• 6 · 3
• 3 · 3 · 3 · 3 · 3 · 3

Solve:
(-7)(3) + (8 ÷ 4) =

• 23
• -3.25
• -19
• 2