Inequalities Review

Solve.

• a > -24
• a > 6
• a > -36
• a > -10

Tags

CCSS.7.EE.B.4B

a − 6 ≤ 15 + 8a

• a ≤ -3
• a ≥ -3
• a ≤ 3
• a ≥ 3

28 − k ≥ 7(k − 4)

• k ≥ -7
• k ≤ -7
• k ≥ 7
• k ≤ 7

What inequality is graphed?

• x > 2 and x < 4
• x ≥ 2 and x ≤ 4
• x > 2 or x < 4
• x ≥ 2 or x ≤ 4

What inequality is graphed? 

• x > 2 and x ≤ -3
• x > 2 and x < -3
• x > 2 or x ≤ -3
• x > 2 or x < -3

Your taxi fare is $2.50 per mile, plus a $5 fee. You have a budget of $20. Which inequality models this scenario?

• 5x + 2.50 ≤ 20

• 2.50x + 5 < 20

• 2.50x + 5 ≤ 20

• 7.50x < 20

Tags

CCSS.7.EE.B.4B

What inequality is shown?

• x ≥ 0 OR x < 5
• 0 ≤ x ≤ 5
• 0 ≤ x < 5
• 0 ≥ x > 5

Solve:  -3 ≤ 2x - 1 ≤ 5

• -1 ≤ x ≤ 3
• -1 < x < 3
• 1 < x < 3
• 1 ≤ x ≤ 3

x + 8 < 3 or - 8x < -40 

• x > -5 or x < 5
• x < -5 and x > 5
• x < -5 or x > 5 
• x > -5 and x < 5 

| 2x + 12 | < 8
Which is the correct first step?

• 2x + 12 < 8 and 2x+12 >-8
• 2x + 12 < 8 or 2x+12 >-8
• 2x + 12 < 8 and 2x+12 <-8
• 2x + 12 < 8 or 2x+12 >-8