document.write( "Question 301031: What is the radius of the circle given by the equation below?
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document.write( "x2 - 14x + y2 - 10y = -38 \n" );
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Algebra.Com's Answer #215917 by checkley77(12844) ![]() You can put this solution on YOUR website! x^2-14x+y^2-10y=-38 Completeing the squares we get: \n" ); document.write( "(x^2-14x+49)+(y^2-10y+25)=-36+49+25 \n" ); document.write( "(x-7)^2+(y-5)^2=38 \n" ); document.write( "r^2=38 \n" ); document.write( "r=sqrt38 \n" ); document.write( "r=6.16 is the radius. \n" ); document.write( " \n" ); document.write( " |