Review of Proportional Relationships in Equations

What is the constant of proportionality of the graph above?

• 16

• 1/16

• 1

• None of the above

The number of trees and the number of apples are given in the table above.  Determine which statement below is correct.

• The table is not proportional because the unit rate is not constant.

• The table is proportional and the unit rate is 1/13

• The table is proportional and the unit rate is 13.

• The table is not proportional because it doesn't pass through the origin.

Match the correct equation to the graph

• y = 4x

• y = 9x

• y = 10x

• y = 3x

Match the correct equation to the graph

• y = 30x

• y = 5x

• y = 6x

• y = x

Match the correct equation to the graph

• y = x

• y = 12x

• y = 6x

• y = 8x

Maria makes $15 an hour babysitting.  What equation can be used to represent the amount of money she makes per hour?

• y = x + 15

• y = 15x

• y = 15/x

• y = 15 - x

Which of the following descriptions matches the graph shown below?

• initial fee of $100 plus $25 per month

• initial fee of $100 plus $50 per month

• initial fee of $100 plus $75 per month

• initial fee of $25 plus $100 per month

Select all equations that represent a proportional relationship.

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Select all equations that represent proportional relationships.

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Proportional or Non-Proportional?

• Proportional

• Non-Proportional