Asked by anonymous

How does the a, h and k variables affect a parabola?

Answers

Answered by anonymous
and how do the same variables affect a quadratic graph?
Answered by Steve
assuming you mean a parabola of the form

y = a(x-h)^2+k

Then the vertex is at (h,k).
The graph is that of y=x^2, but vertically scaled by a factor of a, and shifted right by h and up by k.

As for general quadratics, the question makes no sense.
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