document.write( "Question 764444: What is the center and the radius of the circle:
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document.write( "x^2+y^2-6y-16=0 \n" );
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Algebra.Com's Answer #465434 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! What is the center and the radius of the circle: \n" ); document.write( "x^2+y^2-6y-16=0 \n" ); document.write( "*** \n" ); document.write( "Standard form of equation for a circle: (x-h)^2+(y-k)^2=r^2, (h,k)=(x,y) coordinates of the center, r=radius \n" ); document.write( "x^2+y^2-6y-16=0 \n" ); document.write( "complete the square: \n" ); document.write( "x^2+(y^2-6y+9)-9-16=0 \n" ); document.write( "x^2+(y-3)^2=25 \n" ); document.write( "center: (0,3) \n" ); document.write( "radius=√25=5 \n" ); document.write( " |