document.write( "Question 210057: Given the coordinate of one endpoint of segment AB and its midpoint M, find the coordinates of the other endpoint.
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document.write( "A(0,9), M(2,5) \n" );
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Algebra.Com's Answer #158749 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Given the coordinate of one endpoint of segment AB and its midpoint M, find the coordinates of the other endpoint. \n" ); document.write( "A(0,9), M(2,5)\r \n" ); document.write( "\n" ); document.write( "----------------------- \n" ); document.write( "Let the other end point be (x,y) \n" ); document.write( "----------------- \n" ); document.write( "The midpoint coordinates are the average of the corresponding \n" ); document.write( "end point coordinates. \n" ); document.write( "----------------------- \n" ); document.write( "(x+0)/2 = 2 \n" ); document.write( "x = 4 \n" ); document.write( "---- \n" ); document.write( "(y+9)/2 = 5 \n" ); document.write( "y+9 = 10 \n" ); document.write( "y = 1 \n" ); document.write( "----------------- \n" ); document.write( "The other end point is (4,1) \n" ); document.write( "==================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "Reply to stanbon@comcast.net \n" ); document.write( " |