Constant Rate of Change/Constant of Proportionality

Brianne earns $20 for 4 hours of babysitting. Which graph shows the relationship between the number of hours and the total amount she earns?

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Tags

CCSS.8.EE.B.5

The graph shown compares the number of feet equal to a given number of yards. Which equation correctly shows the rate of change?

• y=3x

• y=1/3x

• 3=yx

• x=3y

Tags

CCSS.8.EE.B.5

Sharon uses the services of the Connect-Us Phone Company. This company charges $0.10 per minute for phone calls within the United States. Which graph expresses the relationship between the number of minutes and the corresponding cost?

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Tags

CCSS.8.EE.B.5

Jesus uses the services of the AT&G Cellular. This company charges $0.02 per minute for long-distance phone calls within the United States. Which graph expresses the relationship between the number of minutes and the corresponding cost?

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Tags

CCSS.8.EE.B.5

Each cake pop at Brianna's Sweet Stand sells for $1.50. Brianna makes a graph showing the amount of money she receives for each pop sold, from 0 to 30 cake pops. What will be the rate of change (slope) of the line that Brianna draws?

• 20

• 45

• .05

• 1.5

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

In the formula d = rt, d stands for distance, r stands for rate of speed, and t stands for time. A jet plane traveled 2,058 miles in 4 hours. What was its rate of speed?

• 8,232 mph

• 2,062 mph

• 2,054 mph

• 514.5 mph

Tags

CCSS.6.RP.A.3B

Which of the graph has points whose x-values represent yards and whose y-values represent feet?

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Tags

CCSS.8.EE.B.5

The diagram shows a table of values. Which equation represents the relationship between x and y in the table?

• x = 3y

• x = 1.25y

• y = 3x

• y = 1.25x

Tags

CCSS.6.EE.C.9

Jonathan burns 660 calories per hour of jogging. Which equation can be used to find C, the number of calories Jonathan burns in 3 hours of jogging?

• C = 660 / 3

• C = 660 x 3

• 220 = C * 3

• 660 = C * 220

Tags

CCSS.6.EE.B.7

Marco drives at a constant rate of 70 miles per hour. Which table of values shows the distance Marco can travel in different amounts of time?

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Tags

CCSS.HSF-LE.A.1B