Module 9 Test Review

Which operation would you do first in the following equation?
10 - 4 ÷ 1 · 5

• Subtraction
• Division
• Multiplication
• Addition 

What does 3² mean?

• 3 x 2
• 3 x 3
• 2 x 2 x 2

4 + 2 x 7

• 42
• 14
• 18
• 56

20 - 5 x 2

• 30
• 10
• 50

18 + (6 – 2) × 2

• 26
• 29
• 44
• 40

In the expression 2x+5, the number 2 is the:

• variable

• coefficient

• constant

• multiplication

In the expression 2x+5, the number 5 is the:

• number

• variable

• coefficient

• constant

Which operation is represented by 2x?

• addition

• division

• multiplication

• subtraction

Evaluate the expression: x + 2 when x = 6

• 8
• 4
• 12
• 10

3a + 4a + 2b - 4 + 5b

• 9a + 5b - 4

• 7a + 3b - 4

• 7a + 7b - 4

• 7a + 3b