Expressions Quiz Review

The number before a variable is the _____.

• term
• constant
• coefficient
• variable

What is the coefficient in this expression? -9 - 5x

• -9

• -5

• x

• 5

Identify the property shown.

• Commutative
• Associative
• Distributive
• None

How many terms are in the expression below:
3x - 6 + 4b + 5 + 7 - 2x

• five
• eight
• six
• nine

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

A cell phone company charges $40 per month plus a $35 activation fee. What is the expression for the total cost for m months?

• 40 - 35m

• 40m - 35

• 40m + 35

• 40 + 35

2r + 2 + 5r - 2 + r 

• 8r 

• 8r - 4 

• 12r 

• 7r + 4 + r 

3 + 12c - 4c 

• 16c + 3 
• 8c + 3 
• 5c 
• 8c 

• 2

• 7

• -2

• 5

A pizza delivery driver earns $8 an hour and works h hours per day. He also spends $20 a day on gas. How much will the driver earn in one day?

• 8h - 20

• 8h + 20

• 8 + 20

• 8 - 20h