document.write( "Question 522055: The standard form of the equation of the parabola with it's vertex at (0,0) and focus at (0,-4) \n" ); document.write( "

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The standard form of the equation of the parabola with it's vertex at (0,0) and focus at (0,-4)
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\n" ); document.write( "Standard form of parabola opening downward: (x-h)^2=-4p(y-k), (h,k) being the (x,y) coordinates of the vertex, focus is p units from the vertex on the axis of symmetry.
\n" ); document.write( "For given equation:
\n" ); document.write( "p=4
\n" ); document.write( "x^2=-16y \n" ); document.write( "

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