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What is the equation of a parabola with vertex (0,0) and focus (0,4)?
Draw its graph on the grid

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Luanaid
focus of a parabola: [tex]4p(y-k)=(x-h)^2[/tex] where vertex (h,k) p is the distance from vertex to focus
[tex]4*4(y-0)=(x-0)^2 \\ 16y=x^2 \\ y= \frac{1}{16}x^2 [/tex]
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