Projectile Word Problems Solved (Parabolas)
A projectile's height is h(t)=-5t^2+30t+35
a) When does it hit the ground? (factoring)
b) What is the max height, and when does it occur? (find vertex)
c) What height was it thrown from? (y-intercept aka h-intercept)
d) Sketch the parabola of the flight