document.write( "Question 340182: Please help me find the x and y intercept for a circle,and if you can the center point and radius:\r
\n" ); document.write( "\n" ); document.write( " $\"x%5E2%2By%5E2%2B4x%2B2y-20=0\"$ \n" ); document.write( "

Algebra.Com's Answer #243932 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Complete the square in $\"x\"$ and $\"y\"$ .
\n" ); document.write( " $\"x%5E2%2By%5E2%2B4x%2B2y-20=0\"$
\n" ); document.write( " $\"x%5E2%2B4x%2By%5E2%2B2y-20=0\"$
\n" ); document.write( " $\"x%5E2%2B4x%2B4%2By%5E2%2B2y%2B1-20=4%2B1\"$
\n" ); document.write( " $\"%28x%2B2%29%5E2%2B%28y%2B1%29%5E2=25\"$
\n" ); document.write( "Compare to the equation of a circle centered at ( $\"h\"$ , $\"k\"$ ) with radius $\"R\"$ .
\n" ); document.write( " $\"%28x-h%29%5E2%2B%28y-k%29%5E2=R%5E2\"$ \n" ); document.write( "

\n" );