Rate of Change from Word Problem

A gym charges $60 for signing up and an additional $20 per month for membership. 

• initial value: $60
  rate of change: $20

• initial value: $20
  rate of change: $60

Tags

CCSS.8.EE.B.5

A gym charges $29.99 for signing up and an additional $30 per month for membership. 

• initial value: $30
  rate of change: $29.99

• initial value: $29.99
  rate of change: $30

Tags

CCSS.HSF.LE.B.5

The local plumber charges a $75 service charge plus $100 an hour. 

• initial value: $100
  rate of change: $75

• initial value: $75
  rate of change: $100

Tags

CCSS.HSF.LE.B.5

A rocket is 1.5 miles above the Earth in 20 seconds and is 8 miles above the Earth in 2 minutes. What is the rocket's rate of change in miles per second?

• 0.065 mps

• 0.361 mps

• 3.892 mps

• 4.145 mps

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Find the average rate of change of Pete's height from 3 years old to 5 years old.

• 2 inches per year

• 8 inches per year

• 2 years

• 4 inches per year

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

What is Mrs. Gordon's rate from 0 to 2 seconds?

• 2.5 feet per second

• 0.4 feet per second

• 5 feet per second

• 0.2 feet per second

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Which of the following intervals has the largest average rate of change?

• [13,14]

• [13, 17]

• [16, 17]

• [16, 19]

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

A store sees 120 customers in 8 hours. How many customers will there be in an hour? Select all that apply in solving this question.

• Only find unit rate

• Find AND use the unit rate

• 15 customers

• 1/15 customers

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If Justin can type 408 words in 4 minutes, how many words can he type in 7 minutes? How can one approach this question?

• Only find unit rate

• Finding AND use the unit rate

Tags

CCSS.6.RP.A.3B

A jet travels 530 miles in two hours. At this rate, how far can the jet travel in 11 hours? Select all that apply.

• 265 miles

• 2,915 miles

Tags

CCSS.HSF-LE.A.1B