document.write( "Question 729989: y=1/4xsquared Find the vertex, focus, and directrix. Steps to graph the parabola. \n" ); document.write( "
Algebra.Com's Answer #446723 by lwsshak3(11628)\"\" \"About 
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y=1/4xsquared Find the vertex, focus, and directrix. Steps to graph the parabola.
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\n" ); document.write( "y=x^2/4
\n" ); document.write( "x^2=4y
\n" ); document.write( "this is a parabola that opens upward
\n" ); document.write( "Its basic form of equation: (x-h)^2=4p(y-k), (h,k)=(x,y) coordinates of the vertex.
\n" ); document.write( "For given equation:x^2=4y:
\n" ); document.write( "vertex:(0,0)
\n" ); document.write( "axis of symmetry: x=0 or y-axis
\n" ); document.write( "4p=4
\n" ); document.write( "p=1
\n" ); document.write( "focus: (0,1) (p-distance above vertex on the axis of symmetry)
\n" ); document.write( "directrix: y=-1 (p-distance below vertex on the axis of symmetry)
\n" ); document.write( "To graph the curve, plug in small x-values like ±2 to get two points on the curve.
\n" ); document.write( "With coordinates of the vertex and these 2 points you can draw the graph.
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