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- 1. Multiple Choice
What is a function?
Every output has one input.
Every input has one output.
If there is a constant rate of change.
If it is a line.
- 2. Multiple ChoiceA holiday meal costs $12.50 a person plus a delivery fee of $30. Which equation represents the amount a holiday meal costs, including delivery, for x people?y = 30 + 12.5xy = 12.5 + 30y = 12.5 + 30x
- 3. Multiple ChoiceEasy Car Rental charges $8.50 an hour plus a rental fee of $25.50. Which equation represents the total charges for x hours?y = 8.5 + 25.5y = 25.5 + 8.5xy = 8.5 + 25.5x
- 4. Multiple ChoiceJerry has $20 and makes $7 per hour. Which equation represents the total amount of money Jerry has after working x hours?y = 7x + 20y = 7 + 20xy = 20 + 7
- 5. Multiple ChoiceSonya has $40 in her lunch account and pays $2 each day to eat lunch. Which equation can be used to find the amount of money Sonya has left on her account after x days?y = 40 + 2xy = 40 - 2xy = 2 + 40xy = 2 - 40x
- 6. Multiple ChoiceSandra has a $20 itunes gift card and spends $3 each month. Which equation can be used to find how much money Sandra has on her giftcard after x months?y = 3x + 20y = 3 + 20xy = -3x + 20y = -20x + 3
- 7. Multiple ChoiceFor lunch, Amanda had a hamburger and some potato chips. The hamburger totaled 325 calories and each chip had 12 calories. Write a liner equation to represent the situation.y = 12 + 325y = 12x + 325y = 325 - 12xy = 325x + 12
- 8. Multiple ChoiceWhich equation shows the number of bottles left after x days?
A family buys a case of water with 48 bottles and drinks 5 bottles per day.y = 48x + 5y = -5 + 48xy = -5x - 48y = 48 - 5x - 9. Multiple ChoiceThe Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage. If Juanita uses x minutes of airtime, what is an equation that can be used to determine her monthly cell phone bill (C)?C = 0.20x + 15C =15 (0.20x)C = 15 + x + 0.20C = 0.20 + 15x
- 10. Multiple Choice
The local service center advertises that it charges a flat fee of $50 plus $8 per mile to tow a vehicle. Write an equation that represents the total cost (C) of a service for m miles of towing.
y = 8x + 50
C = 50m +8
y = 50x + 8
C = 8m + 50
- 11. Multiple ChoiceWhich of the following situations could be descried by the equation y= -25x + 120There are 120 people in the football stadium, and 25 more are entering each hour.A plumber charges $25 for a house call and $120 per hour.A teacher has 120 students. Her third period has 25 studentsThere are 120 gallons of water in a tank. It releases water at a rate of 25 gallons per minute
- 12. Multiple ChoiceA plant is 5cm tall and growing at a rate of 3cm a month.y = 5 + 3y = 5x + 3y = 3x + 5y = 3x + 5x
- 13. Multiple ChoiceBob has $150 in his savings account and saves $40 per month.y = 150 + 40y = 40x + 150y = 150x + 40
- 14. Multiple Choice
The total cost (y) at an amusement park can be modeled by y=1.5x+20 where x is the number of rides you ride. What is the price per ride?
1.5
21.5
0
20
- 15. Multiple Choice
You are laying bricks for a patio. Every row has 20 bricks in it. You have 400 bricks. How many rows of bricks did you lay?
20
2
8000
4
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