How do you write f(x)=-x^2+4x+6f(x)=x2+4x+6 in vertes form?

1 Answer
May 30, 2016

The vertex is at (2,10)(2,10)

Explanation:

he parabola equation is of the form

y=a(x-h)^2+ky=a(xh)2+k

The vertex is at point (h,k)(h,k)

Rearrange your equation

y=-x^2+4x+6y=x2+4x+6

y=underbrace(-x^2+4x-4)+10

y= -(x^2-4x+4)+10

y=-(x-2)^2+10

The vertex is at (2,10)

graph{-x^2+4x+6 [-10.92, 9.08, -12.24, -2.24]}