Review Inequalities

Solve:
3 | 2x + 7| + 7 < 4

• x < -3 and x > -5/3

• x < -3 and x > -4

• all real numbers

• no solution

Penelope is going to the carnival to ride the rides. It costs $20 to get into the carnival and ride tickets are $0.50 each. Write an equation that represents this scenario if she can spend no more than $35 in all.

• .50x + 20 ≥ 35

• .50x < 35

• .50 + 20x ≤ 35

• .50x - 20 = 35

John needs at least an 80 on his next test in Math class to pass this marking period. Which inequality shows what John needs on his test to pass this marking period?

• J > 80

• J < 80

• J ≥ 80

• J ≤ 80

Solve the inequality.
x + 5 ≤ 13

• x ≥ 8

• x ≥ 18

• x ≤ 8 

• x ≤ 18 

The minimum height a person must be to ride the Superman Roller-coaster is 54 inches. Which inequality can be used to show this?

• S > 54 inches

• S ≥ 54 inches

• S < 54 inches

• S ≤ 54 inches

f - 6 ≥ 12

• f = 18

• f ≥ 18

• f ≥ -18

• f ≤ 18

-8x < 48

• x < -6

• x > -6

• x < 6

• x > 6

10 < 3x + 19

• x < 3

• x > 3

• x < -3

• x > -3

-2(x+2) < 14

• x < - 5

• x > -5

• x < -9

• x > -9

Is x = 12 a given solution to the inequality.
x > 5

• TRUE

• FALSE