Kiley and Max use different cell phone providers, but they both kept track of their bills over
the past year. The total amount paid by month is shown.


Write an equation to represent the proportional relationship(s).
For his school’s science fair, Joe measures the rate of growth of a plant with and without the
use of fertilizer for 10 days. His results are shown on the graph.

What is the unit rate for the proportional relationship(s)?
Write an equation to represent the proportional relationship(s).

Slope (m) =
Equation

Slope (m) =
Equation

Slope (m) =
Equation

Slope (m) =
Equation

Slope (m) =
Equation

Slope (m) =
Equation