Proportional Relationships #2

Is this graph proportional?

• Yes
• No

What does a proportional relationship look like on a graph?

• A straight line that passes through the origin, (0,0).
• A line that does not pass through the origin , (0,0).

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

• Proportional Relationship
• Non-Proportional Relationship

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

Does the table represent a proportional relationship?

• Yes.
• No.

A proportional relationship is written used which of the following equations?

True or False:

Is the following graph proportional?

• True

• False

Which shows a proportional relationship?

• y = 1/2x - 1/2

• y = 1/2x

• y = 2x - 2

• y = 2x + 2

Find the Unit Rate.
405 rotations in 5 minutes   

• 81 rotations per minute
• 73 rotations per minute
• 18 rotations per minute
• 810 rotations in 10 minutes

Which statement best describes the relationship between x and y in the table?

• Proportional
• Not Proportional