document.write( "Question 188515This question is from textbook Precalculus
\n" ); document.write( ": Find the vertex, focus, and directrix of the parabola x^2=4y \n" ); document.write( "

Algebra.Com's Answer #141455 by Mathtut(3670) $\"\"$ $\"About$

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$\"4y=x%5E2\"$
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\n" ); document.write( " $\"y=1%2F4%28x%5E2%29\"$
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\n" ); document.write( "vertex is at (0,0)
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\n" ); document.write( "1/4p=1/4---->4p=4--->p=1
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\n" ); document.write( "focus is at (0,1)
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\n" ); document.write( "directrix is at y=-1
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\n" ); document.write( " $\"graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C%281%2F4%29x%5E2%29\"$ \n" ); document.write( "

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