Expressions Quiz

The number before a variable is the _____.

• term
• constant
• coefficient
• variable

What is the coefficient?
-9 + -5x

• -9
• -5
• x

In the following expression, the number 11 is an example of _____________?
5x³ - 7x + 11

• constant

• coefficient

• variable

Evaluate the following expression: 2b + 3

Where b = 7

• 30

• 12

• 17

• 24

Evaluate 2a + 4b 
if a = 10     and    b = 6

• 20
• 24
• 44
• 4

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

Simplify the expression:
7+3(1 - 2x) 

• 21 - 6x
• 10 - 2x
• 10 - 20x
• 10 - 6x

Simplify the expression: 2(7x - 3) +6

• 12 + 7x

• 14x

• 8x + 6

• 9 + 7x

Simplify the expression: 
3m-7m-m

• -5m
• -11m
• 21m
• 5m

Evaluate 24 - 4t for t = 4

• 20
• 24
• 8
• 6