find the x-intercepts and y-intercepts

f(x)=-x^2+4x+32

1 answer

F(x) - Y = -X ^2 + 4X + 32
-X^2 + 4X + 32 = 0
Use quadratic formula:
X = (- 4 +- sqrt(16 + 128))/-2
X = (-4 +- 12) /-2 = -4, and 8 =
X - Intercepts.
Let X = 0
Y =-(0)^2 + 4(0) + 32 = 32 = Y-Int.