Constant Rate Equations

Jimmy was going on vacation. His parents drove the first day and went 390 miles in 6 hours. The next day they drove for 8 hours and went 520 miles. What is the equation that represents his constant rate of speed?

• y=65x

• y=60x

• y=40x

• y=25x

Write an equation for this situation.

• y=9.75x

• y=19x

• y=19.25x

• y=9.5x

Janice read 51 pages in 3 hours. At this rate, how many pages did she read in one hour?

• 710 pages per hour

• 153 pages per hour

• 17 pages per hour

• 15 pages per hour

• 2

• 13

• 9

• Not here

• A

• B

• C

• D

Which graph best represents the constant rate of change of 2? (7.4A)

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Who makes the least number of cakes in five days?

• Cody

• Dean

• They make the same amount of cakes

Select all that describes Constant Rate of Change.

• Proportional or Nonproportional

• Unit Rate

• Straight Line

• Does not have to go through the origin

What is the equation of the function with the least expensive hourly rate?

• y = 2.25x

• y = 6x

• y = 2.25x + 12.75

• y = 6x + 1

Charlie rented a moving truck. He paid a daily fee plus a per-mile fee to rent the truck. The equation below represents the daily amount Charlie paid for the truck if he drives it x miles. y = 0.5x + 10 What does the rate of change of this equation represent?

• The total cost

• The cost of his daily fee

• The cost to rent the truck

• The cost per mile