Proportional and Non-Proportional Relationships

Proportional or Nonproportional?

• Proportional

• Nonproportional

Proportional or Nonproportional?

• Proportional

• Nonproportional

Proportional or Nonproportional?

• Proportional

• Nonproportional

Micah started 10 blocks from home and walked back at a constant rate of 2 blocks per minute.

• Proportional she started at the origin

• Nonproportional she did not start at the origin

Sofia finishes her IXL at a constant rate of 4 problems per minute

• Proportional she completed the same number every time

• Nonproportional she did not complete the same every time

Amy charges $11 for her labor plus a constant fee of $2 for every cupcake she makes

• Proportional she started at $0

• Nonproportional she did not started at $11

Does the table represent a proportional relationship?

• Yes.

• No.

Which representation best describes a proportional relationship?

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Tags

8.5.F

Which table shows a proportional relationship between x and y?

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Tags

8.5.F

The graph shows a relationship between x and y.

• The graph shows a non-proportional relationship because the graph has a negative slope.

• The graph shows a non-proportional relationship because the graph does not contain the origin.

• The graph shows a proportional relationship because the x and y intercepts contain 7.

• The graph shows a proportional relationship because the graph passes through 3 different quadrants.

Tags

8.5.F