Solve Inequalities and Interpret Answers

Pick the correct letter for:
6 > x

• A

• B

• C

• D

Which inequality symbol has a graph with an open (empty) circle?

• <

• ≤

• less than
• greater than
• less than or equal to
• greater than or equal to

Four times a number increased by  7 is at least 19. 

• 4x > 19

• 4x + 7 ≥ 19

• 4x < 19

• 4x + 7 ≤ 19

Translate the sentence into an inequality.
Seven less than n is greater than or equal to 18.

• n - 7 > 18

• 7 - n ≥ 18

• n - 7 ≥ 18

• n + 7 ≥ 18

Which of the following is a possible answer to x>15

• 15

• 14

• -1

• 20

10 < 3x + 19

• x < 3

• x > 3

• x < -3

• x > -3

Solve
-5m < 10

• m < -2

• m > -2

• m < -50

• m > -50

-4x + 14 ≤ 54

• x ≥ - 10

• x ≤ -10

• x ≥ 10

• x ≤ 10

Which sentence represents m > 41?

• Mary’s points, m, totaled more than 41

• Calvin ran no less than 41 miles, m

• The temperature, m, was less than 41°F

• The magazines’ cost, m, was not more than $41.