document.write( "Question 1030076: What is the standard form of the equation of a circle represented by the following equation?\r
\n" ); document.write( "\n" ); document.write( " x^2+y^2+4x-2y-11=0
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Algebra.Com's Answer #644989 by Boreal(15235)\"\" \"About 
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x^2+y^2+4x-2y-11=0
\n" ); document.write( "x^2+4x+4+y^2-2y+1=11+4+1=16
\n" ); document.write( "(x+2)^2+(y-1)^2=4^2
\n" ); document.write( "center at (-2,1) and radius 4.
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