Review Equations and Inequalities

-5x  <  35

• x  <  -7

• x  >  -7

• x  <  7

• x  >  7

Will you need to flip the inequality sign for this problem?
-5x  >  25

• Yes

• No

Will you need to flip the inequality sign for the following problem?   -3  +  x  >  19

• Yes

• No

-9j  -  19  =  -37

• j  =  2

• j  =  -2

• j  =  -3

• j  =  3

What is the solution set to the following?
-4f  ≤  -20

• -5,  -6,  -7

• 5,  6,  7

• -16,  -17,  -18

• 16,  17,  18

2x + 5 = -17

• x = -6

• x = -12

• x = 11

• x = -11

What is the solution for this equation?

• x = 4

• x = -4

• x = 12

• x = 4/3

Solve for t. (Use the image to identify the correct inequality and graph.)

• A

• B

• C

• D

The greatest weight a truck can carry is 1,600 pounds. The truck is loaded with a piano that weight 400 pounds and other boxes that weight 50 pounds each. Which inequality represents all possible values of x , the number of boxes that can be loaded into the truck?

• 50x + 400 ≤ 1,600

• 50x + 400 ≥ 1,600

• 400x + 50 ≤ 1,600

• 400x + 50 ≥ 1,600

5x - 7 = 8

• x = 1/5

• x = 3

• x = -3

• x = 15