SOLUTION: what is the vertex form for the equation y=x^2-2x-8

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Question 448513: what is the vertex form for the equation y=x^2-2x-8
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

what is the vertex form for the equation 

y=x^2-2x-8

Note: the vertex form of a parabola, y=a%28x-h%29%5E2+%2Bk where(h,k) is the vertex

y=x^2-2x -8   |Completing the square

y = [(x-1)^2 - 1] - 8

y = (x-1)^2 - 9