document.write( "Question 1008225: find the value of k so that x^2+y^2+4x-6y+k=0 is the equation of circle of radius 5 \n" ); document.write( "

Algebra.Com's Answer #624015 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"x%5E2%2B4x%2By%5E2-6y=-k\"$
\n" ); document.write( " $\"x%5E2%2B4x%2B4%2By%5E2-6y%2B9=-k%2B4%2B9\"$
\n" ); document.write( " $\"%28x%2B2%29%5E2%2B%28y-3%29%5E2=13-k\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Radius of 5 means radius squared is 25;
\n" ); document.write( " $\"13-k=25\"$
\n" ); document.write( " $\"-k=25-13\"$
\n" ); document.write( " $\"highlight%28k=-12%29\"$ \n" ); document.write( "

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