Understanding slope can help get you the best deal on a cell phone and plan. Imagine you are deciding between two options before getting the phone and need to take into consideration the one time phone cost and a monthly plan charge.You could use the slope-intercept equation to figure out how much you will spend on each option at the end of a year?

Choose two options to compare a one-time phone cost and a monthly plan charge then complete the following: Develop a slope-intercept equation and graph a line for each option.