Name ______Date ______

Constant of ProportionalityHomework

1. The graph below represents the total number of plants and number of seed packets used. What is the constant of proportionality?

2. The graph below represents the total number of cups of coffee and the total amount of sugar required to make the coffee. What is the constant of proportionality?

3. The graph below represents the packets of biscuits consumed over time. What is the constant of proportionality?

4. The graph below represents the number of songs played on a radio station. What is the constant of proportionality?

5. The table below represents a proportional relationship. What is the constant of proportionality?

X / 3 / 6 / 9
Y / 33 / 66 / 99

6. The table below represents a proportional relationship. What is the constant of proportionality?

X / 4 / 8 / 12
Y / 20 / 40 / 60

7. The table below represents a proportional relationship. What is the constant of proportionality?

X / 20 / 40 / 60
Y / 4 / 8 / 12

Answer key

1. The graph below represents the total number of plants and number of seed packets used. What is the constant of proportionality?

2. The graph below represents the total number of cups of coffee and the total amount of sugar required to make the coffee. What is the constant of proportionality?

3. The graph below represents the packets of biscuits consumed over time. What is the constant of proportionality?

4. The graph below represents the number of songs played on a radio station. What is the constant of proportionality?

5. The table below represents a proportional relationship. What is the constant of proportionality?

X / 3 / 6 / 9
Y / 33 / 66 / 99

6. The table below represents a proportional relationship. What is the constant of proportionality?

X / 4 / 8 / 12
Y / 16 / 32 / 48

7. The table below represents a proportional relationship. What is the constant of proportionality?

X / 16 / 32 / 48
Y / 4 / 8 / 12