Frank borrowed $200 from his parents to buy a mountain bike. Each week, he uses $14 of his allowance to pay back his parents. Let x represent the number of weeks that have passed since he borrowed the money and let y represent the amount of money Frank still owes.
a. Why is $200 the y-intercept in this situation?
b. Write a linear equation for this situation.
c. Create a graph that shows the amount Frank still owes his
parents through the first five weeks.
d. How much will Frank’s last payment be?