- 1. In 1995, Orlando, Florida, was about 175,000. At that time, the population was growing at a rate of about 2,000 per year. Write an equation, in slope-intercept form to find Orlando’s population for any year.
A) y = 2000x
B) y = 175,000x
C) y = 2000x + 175,000
D) y = 175,000x + 2000
- 2. Which equation represents the following situation: An auto repair shop charges $50 plus $25 per hour.
A) y = 25x
B) y = 50x + 25
C) y = 50x
D) y = 25x + 50
- 3. Which equation represents the following situation: The temperature is 15º and is expected to fall 2º each hour during the night.
A) y = 2x + 15
B) y = 15x - 2
C) y = -2x
D) y = -2x + 15
- 4. Which equation represents the following situation: A computer technician charges $75 for a consultation plus $35 per hour.
A) y = 35x
B) y = 35x + 75
C) y = 75
D) y = 35x - 75
- 5. A construction company charges $15 per hour for debris removal, plus a one-time fee for the use of a trash dumpster. The total cost for 9 hours of service is $195. Write an equation, in slope-intercept form, to find the total cost y for any number of hours x.
A) y = 15x + 60
B) y = 15x + 195
C) y = 15x
D) 195 = 15(x)
- 6. Diego is participating in a read-a-thon. His mom sponsors him $0.10 per page. His dad sponsors him $0.05 per page. His sister gives him $5 just to leave her alone. Write an equation is slope-intercept form that would tell you the amount of money, m, that Diego would make for reading, r, pages.
- 7. Does the point (3, 4) satisfy the following equation: y = -8x + 20
A) Yes
B) No
- 8. Parker walks 90 meters in 4.5 seconds. What is his walking rate?
A) 94.5mps
B) 450mps
C) 85.5mps
D) 20mps
- 9. The table shows the number of cups of orange juice, pineapple juice, and soda water needed for different quantities of punch. The relationship between the orange juice and pineapple juice is linear. The relationship between the orange juice and soda water is also linear. If Evan makes the recipe using 6 cups of orange juice, how many cups of soda water will she need?
A) 15
B) 18
C) 12
D) 9
- 10. The table shows the number of cups of orange juice, pineapple juice, and soda water needed for different quantities of punch. The relationship between the orange juice and pineapple juice is linear. The relationship between the orange juice and soda water is also linear. If Maddy makes the recipe using 6 cups of pineapple juice, how many cups of soda water will she need?
A) 2
B) 3
C) 6
D) 4
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