document.write( "Question 585131: What are the vertex, focus, and directrix of the parabola with the given equation?
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document.write( "x^2+4x-8y+20=0 \n" );
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Algebra.Com's Answer #373147 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! vertex (-2,2) \n" ); document.write( "focus(-2,4) \n" ); document.write( "y=0 \n" ); document.write( " |