Question

Y=-2x+6x+8 how do i find the vertex

Answer 1

Then the vertex is (3/2, 25/2)

A general equation of a parabola is:

`y=ax^2\text{ + bx + c; the vertex of a parabola is the point (h,k) where h = -b/2a}`

This way you find the value of h

Since h is a value of x, you can find the corresponing value of y by using the original equation:

`y=ah^2\text{ + bh + c}`

and this will be the value of K