SOLUTION: how do i write the quadratic equation used to find the time when the rocket reaches 80 ft. if y=55+33t-5t^2 where y is the height and t is the tim ethe rocket has been in the air?
Algebra ->
Quadratic Equations and Parabolas
-> SOLUTION: how do i write the quadratic equation used to find the time when the rocket reaches 80 ft. if y=55+33t-5t^2 where y is the height and t is the tim ethe rocket has been in the air?
Log On
Question 43: how do i write the quadratic equation used to find the time when the rocket reaches 80 ft. if y=55+33t-5t^2 where y is the height and t is the tim ethe rocket has been in the air? Answer by ichudov(507) (Show Source):
You can put this solution on YOUR website! Very simple. The problem says that y is height. So, put word height instead of y:
Since the problem tells you that height is 80 feet, you have
or
that is your quadratic equation.
