Alg-Snapshot 1 Review: Find rate of change

Find the rate of change.

• -2 minutes per gallon
• -20 minutes per gallon
• -2 gallons per minute
• -20 gallons per minute

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Calculate the rate of change.

• 6
• 1/6
• -6
• -1/6

Find the slope of the line that passes through the points (2, 4) and (6, 12)

• 1/2
• -1/2
• 2
• -2

Use the graph to calculate the rate of change.

• ^-1/₃

• -3

• 3

• ³/₂

Find the rate of change

• 5
• -5
• -1/5
• 1/5

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Mr. Z is starting his own car club, there is a $30 join up fee and a $5 monthly fee. What is the rate of change?

• 30

• 5

Tags

CCSS.HSF-LE.A.1B

A man is climbing down from 100 feet high descending 30 feet per minute. What is the rate of change?

• -30

• 30

• 100

• -100

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

What is the meaning of rate of change in the context of the problem?

• The distance to New York City  increases by 55 miles per hour.
• New York City is 55 miles away at the start of the trip.
• The distance to New York City decreases by 55 miles per hour.
• It takes 55 minutes to get to New York City.

What is the meaning of the slope in the context of the problem?

• Sharon's babysitting income increases by $20 per hour.
• Sharon's babysitting income decreases by $4 per hour.
• Sharon's babysitting income increases by $4 per hour.
• Sharon's babysitting income increases by $5 per hour.

Tags

CCSS.HSF.LE.B.5

Paul the plumber charges $25 for a service call.  He then charges $100 an hour.  Write a linear equation to model this situation.

• y = 100x
• y = 25x
• y = 25x + 100
• y = 100x + 25