Topic 8 Pre-Quiz

Marla and Pedro are using a motion detector to track their movements while on a skateboard. The record of movements is shown on the graph. Match the graph to the best description.

• Increase in distance from the detector over time

• Decrease in distance from the detector over time

Marla and Pedro are using a motion detector to track their movements while on a skateboard. The record of movements is shown on the graph. Match the graph to the best description.

• Increase in distance from the detector over time

• Decrease in distance from the detector over time

Marie and Pedro are using a motion detector to track their movements while on a skateboard. The record of movements is shown on the graphs below. For this graph A, which type of slope is represented?

• Positive slope

• Negative slope

• Zero slope

• Undefined slope

Marie and Pedro are using a motion detector to track their movements while on a skateboard. The record of movements is shown on the graphs below. For this graph A, which type of slope is represented?

• Positive slope

• Negative slope

• Zero slope

• Undefined slope

Angelica is draining water out of a pool with a pump that pumps 10 gallons per minute. The pools started with 800 gallons of water. Which of the following match the situation of how many gallons of water remain (y) in the pool after a given amount of time (x)? Select all that apply.

• y=900-10x

• y = 900x-10

• After 20 minutes, there will be 700 gallons left in the pool.

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Joseph receives a weekly allowance based on the chores he does. He is given $8 up front and an additional $3 per hour for every hour that he works on chores. Which function rule or equation, can Joseph use to find m, the amount of money he will have after a week of doing x hours of chores?

• m = 8x + 3

• m = 8x-3

• m = 3x + 8

• m = 3x – 8

Which graph represents the equation y = 2x + 3?

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The graph shows Danielle's earnings during 1 day of her probationary period at the amusement park. After successfully completing 6 months at the park, Danielle received a $5 per hour raise. Which graph best represents 1 day at her new salary?

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Which of the following tables represents input and output values of a linear function (constant rate of change)? SELECT ALL THAT APPLY.

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Lori calls floral arrangements. She has an order for 8 single roses and some table arrangements. If she uses 10 roses in each table arrangement, which function rule correctly relates x, the number of table arrangements, to r, the number of roses she needs altogether?

• r = 10x + 8

• r = 8x + 10

• r = 8x-10

• r = 10x - 8