Graphing proportions

Graphing proportions

The graph shows a proportional relationship between the number of hours, x, Gail tutors and the total amount she earns, y,. One student needed extra help. Gail charged $250 for 11 hours of tutoring. What is the hourly rate that she charges for tutoring? Did she charge her student the same rate?

Multiple Choice

Did she charge her student her normal rate?

• yes

• no

Multiple Choice

The graph shows a proportional relationship between the number of hours, x, Gail tutors and the total amount she earns, y,. What is the hourly rate that she charges for tutoring?

• $ 25/ hour

• $ 20/ hour

• $ 60/ hour

Multiple Choice

One student needed extra help. Gail charged $250 for 11 hours of tutoring. How much did she charge this student per hour for tutoring?

• $ 15/ hour

• $ 20/ hour

• $ 22.73/ hour

Multiple Choice

Does the graph show a proportional relationship?

• yes

• no

Poll

Rate your confidence with interpreting graphs of proportional relationships

• 1 Extremely confident

• 2 Confident enough

• 3 I'm getting there

• 4 Still struggling

• 5 I have little confidence