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.
    
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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