Proportional Graphs

What is the unit rate for the rain fall?

• 2 cm per hour

• 1 cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

Does the graph show a proportional relationship?

• Yes

• No

• Proportional

• Non-proportional

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality (how much did he make per hour)?

• $37

• $64.75

• $9.25

• $18.50

• Proportional

• Non-Proportional

• Proportional

• Non-proportional

Is this function linear or nonlinear?

• Linear

• Nonlinear

Is this function linear or nonlinear?

• Linear

• Nonlinear

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

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