Unit 7 One-Variable Inequalities Review

Which of the following is true for 4x < 32

• x < 8

• x < 32

• x < 28

• x > 8

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Tabitha has a maximum of $30 to spend at Cynergy. She wants to see a movie that costs $8. She can spend the rest of her money to buy games and food. Which inequality can be used to find the possible values of the money she has left after buying her movie ticket? (m = money)

• m - 8 > 30

• m - 8 < 30

• m + 8 > 30

• m + 8 < 30

Ashley is making a get-well card for her friend who is sick. She wants to add ribbon around the border of the card. She has 24 inches of ribbon. The inequality below can be used to determine how big she can make the card if c is the length of one side of the card.

4c < 24

Which of the following are possible situations for c, the side length of the card?

• c < 6

• c > 6

• c < 20

• c < 96

Ms. Henderson is selling cookie bouquets for Valentine's Day for $15 each. She wants to make more than $120 in sales. The inequality 15b > 120 can be used to determine the number of bouquets, b, she must sell in order to meet her goal. Which number line best represents the solution to the inequality?

• Answer choice A on your paper copy

• Answer choice B on your paper copy

• Answer choice C on your paper copy

• Answer choice D on your paper copy

Corbin needs to replace his trampoline mat with an area no more than 60 square feet. The mat he found has a width of 6 feet. Which inequality represents all the possible L, lengths for the mat?

• L > 10

• L < 10

• L < 70

• L < 50

Which situation is best represented by the inequality below?

12 > x + 1.20

• Toby has $12 to spend at Pak a Sak. He spent $1.20 on gummy worms. How much money can he spend for more snacks?

• Rebecca has $12. Tootsie rolls cost 12 cents each. she buys one tootsie roll. How much money does she have left, x?

• Martha has $12. Spirit sticks are $1.20 each. How many spirit sticks, x, can she buy?

• Sherry sells cootie catchers for $1.20 each. How many cootie catchers, x, does she need to sell to make at least $12?

An online game requires at least 8 people join before you can play. Five students have already joined. The inequality shown can be used to find p, the number of the players still needed.

p + 5 > 8

• p < 3

• p > 3

• p < 13

• p > 13

Which inequality is true if x = 3

• 10x < 30

• 10x < 30

• -10x > 30

• -10x > 30

Which is the solution to the following inequality?

4.2 > x - 11.1

• 53.1 < x

• 6.9 < x

• 15.3 > x

• 15.3 < x

Tim has a maximum of $20 to spend at Wonderland Park. A ticket to get in is $8. He can spend s dollars to play games and buy snacks. Which inequality can be used to find the possible values for s?

• s - 8 > 20

• s - 8 < 20

• s + 8 > 20

• s + 8 < 20