Unit 9 Homework 1

An inequality is shown.

        −9x ≤ 108

Which inequality represents the solution set?

• x ≤ 12

• x ≤ 972

• x ≥ -12

• x ≥ -972

A salesman sold cars to 12 out of the last 20 customers that came in the store this morning. What percentage is equivalent to 12 out of 20?

•  6%

• 60%

• 4% 

•  40%

• $13.00

• $12.50

• $13.75

• $14.90

• 63

• 95

• 55

• 23

 Which description represents an equation?

• A number is less than or equal to twenty-five.

• Two times a number plus thirty.

• A number plus seven is forty-nine

• A number squared.

What fraction, decimal and percent does the shaded portion represent?

•  5m + 9 

•  5m + 25

• 25m + 4

• 25m + 20

The thrift store is offering a 20% discount on all items on Sunday. Which value is equivalent to 20%?

• 0.20

•  0.40

• 25m + 4  

• 25m + 20

What is the value of each number?

|7| = 

|−17| =

|17| = 

|−7| =

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV