Problema Solution
A parabolic arch has an equation of x2+20y-400=0, where x is measured in feet. Find the maximum height of the arch.
Answer provided by our tutors
A parabolic arch has an equation of x2+20y-400=0, where x is measured in feet. Find the maximum height of the arch.
Solution:
x2+20y-400=0
y= (400-X^2)/20
so when x=0 , y has the max value 20
so the maximum height of the arch is 20 ft.