19. Quadratic Word Problems

Question

Drew and Travis built rockets from assembly kits and are going to launch at the same time to see which one goes higher. If Drew' rocket's height, in feet, can be described by the equation d(t)=-16t^2 + 80t and Travis' is represented by r(t) = -16t^2 + 240t.

a. After 2 seconds, which one is higher?

b. What is the maximum height for each rocket and who wins?

c. After how many seconds does each rocket land?

d. What was the difference in time for the rockets to reach their respective maximum heights?

Answer 1

I give you some guidance in the attached video. Let me know if you have further questions.