Week 2 Quiz

Johnny earns $15 per hour dog walking. He wants to earn at least $105 to buy a new bike. Which inequality represents how long Johnny needs to work to afford his new bike?

• 15h ≤ 105

• 15h > 105

• 15h < 105

• 15h ≥ 105

Monica wants to spend at most $40 at the county fair. Entrance to the fair costs $15. She can spend d dollars on other things at the fair. Which inequality can be used to find the possible values of d?

• d − 15 > 40

• d − 15 < 40

• d + 15 ≥ 40

• d + 15 ≤ 40

Damien needs at least $70 for a trip to Six Flags. If he already has $36, which inequality can be used to determine how much more money Damien needs?

• x − 36 ≤ 70

• x + 36 ≤ 70

• x − 36 ≥ 70

• x + 36 ≥ 70

x + 5 > 7

• x > -2
• x > 2
• x > 12
• x > -12

15 > -5 + z

• z < 20
• z > 20
• z > 10
• 10 > z

8x < 48

• x < -6
• x > -6
• x < 6
• x > 6

-8x < 48

• x < -6
• x > -6
• x < 6
• x > 6

3c + 5 = 23

• c = 3
• c = 6
• c = 7
• c = 18

5x + 4 = −6

• 2
• -2
• 10
• 15

3(x - 6) = 18

• x = 4
• x = -4
• x=8
• x= 12