Quiz about Unit 6 Inequalities

Question 1

Solve the inequality and graph the solution: $$-3x \geq 9$$ .

Accepted Answer

$$x \leq -3$$ , with a number line showing a closed circle on -3 and shading to the left.

Answer

$$x \geq -3$$ , with a number line showing a closed circle on -3 and shading to the right.

Answer

$$x \leq 3$$ , with a number line showing a closed circle on 3 and shading to the left.

Answer

$$x \geq 3$$ , with a number line showing a closed circle on 3 and shading to the right.

Question 2

Solve

Accepted Answer

B/H

Answer

A/F

Answer

C/G

Answer

D/J

Question 3

Question 3.

Accepted Answer

B.

Answer

A.

Answer

C.

Answer

D.

Question 4

Solve

Accepted Answer

B/H

Answer

A/F

Answer

C/G

Answer

D/J

Question 5

Solve the inequality and graph the solution: $$3x - 1 > 8$$ .

Accepted Answer

$$x > 3$$ , with a number line showing an open circle on 3 and shading to the right.

Answer

$$x < 3$$ , with a number line showing an open circle on 3 and shading to the left.

Answer

$$x > 2$$ , with a number line showing an open circle on 2 and shading to the right.

Answer

$$x < 2$$ , with a number line showing an open circle on 2 and shading to the left.

Question 6

You know $x$ is a number less than 4. Select all the inequalities that must be true.

Accepted Answer

$x+6<10$

Accepted Answer

$5x<20$

Accepted Answer

$x<8$

Answer

$x<2$

Answer

$x-2>2$

Question 7

Match each sentence with the inequality that could represent the situation.

Accepted Answer

If Tyler had twice the amount of money he has, he would have less than $20.

Answer

Han got $2 from Clare, but still has less than $20.

Answer

Mai spent $2 and has less than $20.

Answer

If Priya had half the money she has, she would have less than $20.

Question 8

Lin got a $50 gift card to an online music store. She uses the gift card to buy an album for $9.99. She also wants to use the gift card to buy some songs. Each song costs $1.29. Which of these inequalities describes this situation, where $$n$$ is the number of songs Lin wants to buy?

Accepted Answer

$$9.99 + 1.29n \le 50$$

Answer

$$9.99 + 1.29n \ge 50$$

Answer

$$9.99 - 1.29n \ge 50$$

Answer

$$9.99 - 1.29n \le 50$$

Unit 6 Inequalities

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