Chapter 5: Linear Inequalities

-7x + 15 ≥ -20

• x ≥ -5
• x ≤ -5
• x ≥ 5
• x ≤ 5

Tags

CCSS.7.EE.B.4B

3(x-2)<2(x+9)

• x<24
• x>-24
• x<12
• x>18

8(m + 2)< 4(5 + 2m)

• no solution
• m < -2
• all real numbers
• m > 4

What inequality is graphed?

• x > 2 and x < 4

• 2 ≤ 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

Solve:  -3 ≤ 2x - 1 ≤ 5

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

Your taxi fare is $2.50 per mile, plus a $5 fee.  You cannot exceed $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

You take a trip to the bowling alley, where each game cost $2, plus you plan to spend $10 on food.  You can spend at most $25.  Which inequality models this scenario?

• 2x + 10 ≥ 25
• 2x + 10 > 20
• 2x + 10 ≤ 25
• 2x + 10 < 25

Tags

CCSS.7.EE.B.4B

You have $120 budgeted to rent a moving truck for 2 days.  Each day is $39, plus $0.25 per mile.  How many miles can you drive the truck and stay within your budget?

• 170 miles
• 168 miles
• 150 miles
• 172 miles

Tags

CCSS.7.EE.B.4B

Which point below is NOT part of the solution set?

• (0, 0)
• (-10, -10)
• (-1, 5)
• (5, 20)

Tags

CCSS.HSA.REI.D.12