Proportional and Nonproportional Linear Relationships

Why does this graph show a non-proportional relationship?

• Because it is proportional

• It goes through the origin

• It does not go through the origin

• It is a straight line

Which graph is non-proportional?

• A

• B

• C

• D

Select all graphs that represent proportional relationships.

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• 

Select all graphs that represent a proportional relationship.

• 
• 

Is the graph proportional?

• Yes

• No

Select all equations that represent a proportional relationship.

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• 

Identify whether the graph represents a  proportional or non-proportional relationship.

• Proportional Relationship

• Non-Proportional Relationship

What makes a graph proportional?

• Linear

• The line is only in quadrant 1

• Curvy line

• Straight line and the line goes through the origin

Does the equation show a proportional relationship?

y = 2x - 5

• Yes

• No

Does the graph represents a proportional or a non-proportional relationship?

• Proportional Relationship

• Non-Proportional Relationship