Proportional Relationships Practice

Use the table. What is the constant of proportionality?

• 40

• 45

• 50

• 55

Tags

CCSS.7.RP.A.2B

What is the equation y=kx for the table?

• y=1/3x
• y=3x
• y=5x
• y=1/5x

Tags

CCSS.HSF-LE.A.1B

The cost of 4 pounds of grapes is $24.36. What is the constant of proportionality that relates cost in dollars, y, to the number of pounds of grapes, x?

• 6.09
• 20.36
• 8.12
• 28.36

Tags

CCSS.7.RP.A.2B

Which statement matches the graph?

• Taylor can write 6 words per minute
• Taylor can write 25 words per minute
• Taylor can write 50 words per minute
• Taylor can write 150 words per minute

Tags

CCSS.7.RP.A.2D

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour

Tags

CCSS.7.RP.A.2D

Identify the constant of proportionality.

• 2x

• 2

• 4

• none (not proportional)

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality? Remember to simplify your answer.

• k=5

• k=6

• k=30

• k=1

Tags

CCSS.7.RP.A.2B

Which best describes the graph represented in this table?

•  proportional
• non-proportional

Tags

CCSS.7.RP.A.2B

What makes a graph proportional?

• Straight line
• The line goes through the origin
• Curvy line
• Straight line and the line goes through the origin

Tags

CCSS.7.RP.A.2D

John can shovel 5 driveways in 40 minutes. How many driveways can she shovel in 60 minutes?

Set a proportion;

5 driveways/40 minutes = How many driveways? (X)/60 minutes.

Cross Multiply and solve for X.

• 25 Driveways

• 70 Driveways

• 65 Driveways

• 7.5 Driveways

Tags

CCSS.7.RP.A.3