Inequality Practice Test

Which graph matches the inequality?

x < 12

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Write an inequality from the graph.

Lea needs at least $240 to buy new headphones. She has already saved $30. She earns $14 per car that she washes. What is the least number of cars she can wash to buy the headphones? Write the inequality to the problem.

• 14x+30 ≥ 240

• 14x+30 ≤ 240

• 30x+14 ≥ 240

• 30x+14 ≤ 240

Lea needs at least $240 to buy new headphones. She has already saved $30. She earns $14 per car that she washes. What is the least number of cars she can wash to buy the headphones?

• x ≥ 15

• x ≤ 15

• x > 15

• x < 15

Sylvia set a goal of saving at least $200 in a savings account.

She currently has $60 in the account. If she invests $5 of her weekly allowance per week, how many weeks will it take her to reach her goal?

• x ≥ 28

• x ≤ 28

• x > 28

• x < 28

-3n + 8 > 29

• n > 7

• n < -7

• n > -7

• n < 7

6 - 2h > 30

• h < 24

• 18 > h

• h > 12

• h < -12

Solve the inequality.
-3w - 2 < -17

• w < 7.67

• w > 5

• w < 5

• w < 6.33

The room can hold a maximum of 400 people. If there are already 134 people there, how many more can come?

• x - 134 < 400

• x + 134 < 400

• x - 134 ≤ 400

• x + 134 ≤ 400

Which figure shows the inequality x > -4?

• Figure 1

• Figure 2

• Figure 3

• Figure 4