Unit 4 Review

Write the inequality in interval notation.

• (-2,5)
• (-∞,-2) or (5,∞)
• [-2,5]
• (-∞,-2] or [5,∞)

Solve: 3x - 5 > -1

• no solution

• all real numbers

• x > 1.3

• x < 1.3

-2(x+2) < 14

• x < - 5
• x > -5
• x < -9
• x > -9

Solve: 3(x - 2) + 5 > 2(3x + 5) + 1

• no solution

• all real numbers

• x < -4

• x >- 4

Solve for p

• A

• B

• C

• D

-8<2(x+4) or -3x+4>x-4

• No solutions

• x<-6 or x<2

• all real numbers

• x<-6 and x<2

Solve:

• A
• B
• C
• D

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

• 180 miles

• 172 miles

Jenna's band is going to record a CD at a recording studio. They will pay $225 to rent the studio space for the day and $80 per hour for the sound technician. Jenna currently has $200 and plans to raise $350 by taking preorders for the CDs. Write and solve a compound inequality to find the number of hours that Jenna can afford to rent the studio and pay the sound technician.

• between 0 and 4 hours

• She cannot afford the sound technician.

-|−2r − 1| = 11

• {-6,5}
• {5,-6}
• -6
• No Solution