document.write( "Question 166252: Given: (3,-1) and (-11,7) are endpoints of a diameter of a cirle.
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document.write( "Find the radius, center coordinates, and equation in general form \n" );
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Algebra.Com's Answer #122517 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Given: (3,-1) and (-11,7) are endpoints of a diameter of a cirle. \n" ); document.write( "Find the radius, center coordinates, and equation in general form \n" ); document.write( "------------------------------ \n" ); document.write( "Center Coordinates: \n" ); document.write( "x coordinate: (3-11)/2 = -4 \n" ); document.write( "y coordinate: (-1+7)/2 = 3 \n" ); document.write( "Center: (-4,3) \n" ); document.write( "-------------------------- \n" ); document.write( "Radius: \n" ); document.write( "r = sqrt[(3--4)^2 + (-1-3)^2] = sqrt[49 + 16] = sqrt(65) \n" ); document.write( "---------------------------- \n" ); document.write( "EQUATION: \n" ); document.write( "(x+4)^2 + (y-3)^2 = 65 \n" ); document.write( "=========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |