Proportional Non-Proportional Graphs

A line is linear if it forms a straight line.  A line that does not form a straight line is non-linear. Which best describes this graph?

• linear and non-proportional

• non-linear and non-proportional

• linear and proportional

• non-linear and proportional

Is this function linear or nonlinear?

• Linear

• Nonlinear

• Proportional

• Non-Proportional

• Proportional

• Non-proportional

Does the graph show a proportional relationship?

• Yes

• No

• Proportional

• Non-proportional

Which of the following rates of change represents the graph shown?

• 2 boys for every 1 girl

• 0.5 boys for every 1 girl

• 6 boys for every 1 girl

• 3 boys for every 1 girl

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

What makes a graph proportional?

• Straight line

• The line goes through the origin

• Curvy line

• Straight line and the line goes through the origin

Is the graph proportional or non proportional?

• Proportional

• Non proportional