Unit 9 Quiz 2-Inequalities

Write an inequality to describe the number line below:

• x ≥ 10

• x > 10

• x < 10

• x ≤ 10

Is k = 8 part of the solution set for k/2 ≤ 4?

• Yes

• No

• Not enough information

How would you graph x ≥ 2?

• Open circle to the left

• Open circle to the right

• Closed circle to the left

• Closed circle to the right

What inequality matches the description below: You must be at least 48 inches tall to ride the bumper cars.

• h < 48

• h > 48

• h ≤ 48

• h ≥ 48

Write an inequality to describe the number line below:

• x < 5

• x > 5

• x ≤ 5

• x ≥ 5

Is x = 2 part of the solution set for x - 9 ≥ -6?

• Yes

• No

• Not enough information

Solve the inequality below:

-7n < 98

When putting in your answer you MUST put in the inequality symbol

Example: Use > or < in your answer sentence

Missy is getting married and addressing invitations. She has at least 140 envelopes and has addressed 26 of them. Write an inequality that describes how many more invitations must be addressed.

• A. 26 + x ≥ 140

• B. 26 + x ≤ 140

• C. 26x ≥ 140

• D. 26 − x ≤ 140

How would you graph -4x < 24?

• A. Open circle to the left

• B. Open circle to the right

• C. Closed circle to the left

• D. Closed circle to the right

Solve the inequality:

You MUST use ≤ in your final answer