document.write( "Question 692705: find the equation of a parabola given focus (-2,3) directrix y=-3 \n" ); document.write( "
Algebra.Com's Answer #427071 by lwsshak3(11628)\"\" \"About 
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find the equation of a parabola given focus (-2,3) directrix y=-3
\n" ); document.write( "This is a parabola that opens upwards.
\n" ); document.write( "Its standard form of equation: (x-h)^2=4p(y-k), (h,k)=(x,y) coordinates of the vertex
\n" ); document.write( "vertex:(-2,0)
\n" ); document.write( "axis of symmetry: x=-2
\n" ); document.write( "p=3 (distance from vertex to focus or directrix on the axis of symmetry
\n" ); document.write( "4p=12
\n" ); document.write( "Equation of given parabola: (x+2)^2=12y
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