document.write( "Question 792577: Write qn equation of parabola whose directrix is y=3 and vertex (2,2)? Plzz help \n" ); document.write( "
Algebra.Com's Answer #480087 by lwsshak3(11628)\"\" \"About 
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Write qn equation of parabola whose directrix is y=3 and vertex (2,2)?
\n" ); document.write( "Given parabola opens downwards.
\n" ); document.write( "Its basic form of equation: (x-h)^2=-4p(y-k), (h,k)=(x,y) coordinates of the vertex.Given vertex: (2,2)
\n" ); document.write( "axis of symmetry: x=2
\n" ); document.write( "p=1 (distance from vertex to directrix on the axis of symmetry)
\n" ); document.write( "4p=4
\n" ); document.write( "Equation of given parabola: (x-2)^2=-4(y-2)
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