Question

What equation is y= 2x2-8x + 9 rewritten in vertex form

Answer 1

y-9=2x²-8x

y-9=2(x²-4x)

y-9+8=2(x²-4x+4)

y-1=2(x-2)²

y= 2(x-2)² +1

Explanation:

Answer 2

y-9=2x²-8x
y-9=2(x²-4x)
y-9+8=2(x²-4x+4)
y-1=2(x-2)²
y= 2(x-2)² +1