document.write( "Question 860748: Write an equation of a parabola with vertex at the origin and the given focus. (0, -5) \n" ); document.write( "
Algebra.Com's Answer #518618 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" ); document.write( "Hi,
\n" ); document.write( "y=ax^2 C(0,0)
\n" ); document.write( "p = 5
\n" ); document.write( "a = 1/4p
\n" ); document.write( "a = 1/20
\n" ); document.write( "y = (1/20)x^2
\n" ); document.write( " \n" ); document.write( "
\n" );