Posted by Breona on Wednesday, November 28, 2012 at 2:48pm.
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Algebra  Steve, Wednesday, November 28, 2012 at 3:02pm
for y=ax^2+bx+c, vertex is at x = b/2a
if you complete the square, and have
(yk) = a(xh)^2 then
the vertex is at (h,k)
the axis of symmetry goes through the vertex.
the sign of the x^2 term determines whether the vertex is a min or max.
So, what do you come up with?
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