Foundations Unit 3 Quiz

My water bottle started with 32 ounces of water in it and I drank 8 ounces per hour. Write a formula for the amount of water remaining.

• y = 8x + 32
• y = -8x + 32
• y = 8x - 32
• y = 32x + 8

A tub has 40 gallons of water in it and starts draining at a rate of 6 gallons per minute. Write a formula for the amount of water left in the tub.

• y = 6x + 40
• y = -6x + 40
• y = 6x - 40
• y = 40x - 6

Jacob collects hats.  He has 6 hats already, and he collects 2 hats a week.

• y = 2x + 6
• y = 6x + 2
• y = 2x - 6
• y = 6x - 2

The dance committee hired a DJ for the fall dance. The DJ charges $125 per hour in addition to $55 for an assistant. The committee wants to keep the total cost under $600. Which inequality represents the maximum amount of hours the DJ will play at the dance?

• 125x + 55 ≤ 600
• 125x + 55 ≥ 600
• 125x + 55 > 600
• 125x + 55 < 600

An elevator can only hold 1500 pounds. If equipment weighs 945 pounds, how much more pounds of supplies can be put on the elevator? Which inequality would represent this situation?  

• x - 945 > 1500
• x + 945 > 1500
• x - 945 ≤ 1500
• x + 945 ≤ 1500

Joan needed $100 to buy a graphing calculator for her math class. Her neighbor will pay her $5 per hour to babysit and her Father gave her $10 for mowing the lawn. Which inequality represents the minimum amount of hours she will need to babysit in order for her to buy her calculator?

• 5x + 10 ≥ 100
• 5x - 100 ≥ 10
• 10x + 5 ≤ 100
• 5x + 10 > 100

Write an equation for the line shown by counting the slope and identifying the y-intercept.

• y = -2x + 2

• y = 2x + 2

• y = 1/2x- 2

• y = -1/2x + 2

• a

• b

• c

• d

Which ordered pair shows the location of point H?

• (2,2)

• (3,0)

• (3,2)

• (-2,3)

y=x-6
What is the missing number?

• 12
• 10
• 14
• 13