Question

complete the square to rewrite y=x^2-6x+2 in vertex form then state whether the vertex is a maximum or a minimum and give its ordinates

Answer 1

`y=(x-3)^2-7`

Minimum

(-3,-7)

Explanation:

`y=x^2 -6x+2`

`b=-6`

`(b)/(2) =(-3)^2=9`

`y+7=x^2-6x+9`

`y=(x-3)^2-7`

-7 is a minimum.