Question

Find the coordinates of the vertex of the parabola y = x2 - 4x + 2.​

Answer 1

(2,-2)

Explanation:

Converting to vertex form gets us

`y=x^2-4x+2`

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

`y=(x-2)^2-2`

Using
`a(x-h)^2+k` we find that h=2 and k=-2

so the vertex is (2,-2)