SOLUTION: x^2 - 4x - 4y = 0 Find the vertex.

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Question 590618: x^2 - 4x - 4y = 0
Find the vertex.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
x^2 - 4x - 4y = 0
put equation into the standard form
-4y = -x^2 + 4x
divide by -4
y = .25x^2 - 1
:
Find the vertex.
no middle term, b=0, therefore axis of symmetry = 0
then
vertex = 0 ,-1