Proportional vs Non Proportional Tables, Graphs, and Equations

Which best describes the graph represented in this table?

•  proportional

• non-proportional

Is this table proportional or non-proportional?

• Proportional

• Non-Proportional

• both

• neither

• y = 1/5x

• y = 5x

• y = 1/2x

Is the graph proportional?

• Yes

• No

Does this graph show a proportional relationship?

• 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

Does the table show a proportional relationship?

• Yes

• No

Does the equation show a proportional relationship?

• Yes

• No

Shawn makes $7.50 an hour to babysit for her next door neighbors.  Describe the graph of this relationship.

• Proportional

• Non-proportional

Write an equation for this situation.

• y=9.75x

• y=19x

• y=19.25x

• y=9.5x