Expressions, Equations and Inequalities

-12x > 36

• x > -3

• x > 48

• x < -3

Choose the expressions that shows a $45 dollar watch discounted 25%.

• 45 - .25 = 44.75

• 45 + .25(45) = 1.25(45)

• 45 - .25(45) = .75(45)

Solve the inequality.
x + 5 ≤ 13

• x ≥ 8

• x ≥ 18

• x ≤ 8 

• x ≤ 18 

x + 4 = 10

• x = 4

• x = 14

• x = 6

• x = 9

What is the coefficient of x?
5x - y

• 8

• 1

• 5

• -5

Match the graph with its inequality.

• 11 < a

• 11 > a

•  11 ≤ a

•  11 ≥ a

Factor:  
4x + 30y

• 2(x + 15y)

• 4(x + 15y)

• 2(2x + 15y)

• can't be factored

Factor 12x - 20

• 6(2x - 3)

• 4(3x - 5)

• 4x(3x - 5)

• 3(4x + 6)

0 = 8z + 8 

• -1

• 1

• 0

• 8

3 + (¹∕₄)a = 31

• a= 28

• a= 112

• a= 7

• a= 67