1/26 Classwork

Which graph is proportional?

• A
• B
• C and D
• All of the graphs are proportional

Does the equation show a proportional relationship?

• Yes
• No

Which best describes the equation?
y = 75x

• Proportional
• Nonproportional

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 equation show a proportional relationship?

• Yes
• No

Which of the equations below is proportional?

• y = 6x

• y = 3x + 2

• y = 2x + 4

• y = -2x -1

Is the graph proportional?

• Yes

• No

Is the graph proportional?

• Yes

• No

These two lines are graphs of nonproportional relationships. What makes them nonproportional?

• They are not straight

• They are not linear

• They do not go through the origin

• They do not show a constant rate of change

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

• Proportional Relationship
• Non-Proportional Relationship