Constant Rates of Change (A1.2.2.1.1, A1.2.2.1.2)

What is rate of change?

• The amount of money you get back when you overpay for something.
• Describes how one quantity changes in relation to another quantity
• The amount of one quantity multiplied by another quantity
• How much someone changes over their lifetime

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.3

What is the constant rate of change between the quantities in the table?

• -20 gal per minute

• -2 gal per minue

• 2 gal per minute

• 20 gal per minute

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Based upon the graph given, what is the average rate of speed in which the hawk descends upon its prey?

• -10 ft per second
• 15 ft per second
• 10 ft per second 
• -15 ft per second

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.3

The temperature at noon was 88°F. By 4 P.M., the temperature was 72°F. Find the constant rate of change of the temperature.

• decresed by 4 degrees per hour

• increased by 4 degrees per hour

• decreased by 1.5 degrees per hour

• increased by 8 degrees per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

A kayak traveled 60 feet before it reached its racing speed. The table shows the total number of feet that the kayak had traveled after 3, 5, 7, and 9 seconds at racing speed. What is the rate of change indicated by the table?

• 100 ft per second

• 60 ft per second

• 40 ft per second

• 20 ft per second

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

The table below shows the cost of making denim jeans. Which ratio is equivalent to the rate of change?

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

The table shows the floor area that a work crew could refinish in 2, 5 and 8 hours. How many square feet of floor could the work crew finish per hour?

• 300

• 450

• 600

• 900

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Darius is buying a camera on an installment plan. He makes equal monthly payments. The equation y = -15x + 600 can be used to find the amount he owes after any number of months of payments. What does the number 15 represent in the equation?

• the total cost of the camera

• the amount Darius pays each month

• the amount Darius put down as a deposit

• the number of months Darius will make payments

Tags

CCSS.HSA.SSE.A.1

The table shows the cost of long distance calls based on the number of minutes used. Is there a constant rate of change, and if so what is it?

• Yes, 10 calls per minute
• Yes, $.10 per minute
• Yes, $.40 per minute
• Not a constant rate

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

A rocket burned large amounts of fuel during liftoff. The table shows the total amount of fuel that had been burned after certain numbers of seconds during a liftoff. What was the rate of change in gallons per second?

• 450

• 900

• 1200

• 1500

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3