Proportional Relationship Using Graphs Tables and Equations

Write the equation of the proportional relationship using the format y = kx.

Tags

CCSS.7.RP.A.2C

Is the graph proportional?

• Yes

• No

Tags

CCSS.7.RP.A.2D

Write an equation for the relationship between x and y. Use format y = kx.

Tags

CCSS.7.RP.A.2C

Select all graphs that represent a proportional relationship.

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• 

Tags

CCSS.7.RP.A.2D

What is the constant of proportionality? Use the format k = 2.

Tags

CCSS.7.RP.A.2B

Write the equation of the graph. Use the format y = kx.

Tags

CCSS.7.RP.A.2C

What is the constant of proportionality?

• k = 3

• k = 1/3

• k = 3x

• k = 1/3x

Tags

CCSS.7.RP.A.2B

Which statement about this graph is most true?

• It is proportional

• The cleaner uses 1 cup of vinegar to every 2 cups of cleaner

• The cleaner uses 4 cups of cleaner to 2 cups of vinegar

• All of the above

Tags

CCSS.7.RP.A.2D

Is this a proportional equation?  Why?

• It is not proportional because it doesn't have a constant.

• It is not proportional because it doesn't have a constant rate of change.

• It is proportional because if x = 0, y = 0.

• It is proportional because it has a y intercept of 22.

Tags

CCSS.7.RP.A.2D

Mr. Diaz changed his shower head to conserve water and energy. The table shows the relationship between the amount of flow and the duration of the water flow.

Which statement BEST describes the rate of water flow?

• 0.4 gallons per minute

• 2.1 gallons per minute

• 2.5 gallons per minute

• 3.0 gallons per minute

Tags

CCSS.7.RP.A.2D