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.8.F.B.4

CCSS.HSF.IF.B.6

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.HSF-LE.A.1B

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.HSF.IF.B.4

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.HSF-LE.A.1B

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.8.F.B.4

CCSS.HSF.IF.B.6

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

Tags

CCSS.HSF-LE.A.1B

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.HSF-LE.A.1B

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.HSF.LE.B.5

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.HSF-LE.A.1B

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.HSF-LE.A.1B