document.write( "Question 843488: a segment has one endpoint at (-5,4) and its midpoint at (-2,1). What are the coordinates of the other endpoint? \n" ); document.write( "
Algebra.Com's Answer #508113 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Midpoint formula: \n" ); document.write( "(x1 + x2)/2 , (y1 + y2)/2 \n" ); document.write( ".............. \n" ); document.write( "(-5 + x2)/2 = -2 \n" ); document.write( "(-5 + x2) = -2 x 2 \n" ); document.write( "(-5 + x2) = -4 \n" ); document.write( "x2 = -4 + 5 \n" ); document.write( "x2 = 1 \n" ); document.write( "............... \n" ); document.write( "(4 + y2)/2 = 1 \n" ); document.write( "(4 + y2) = 2 x 1 \n" ); document.write( "(4 + y2) = 2 \n" ); document.write( " y2 = 2 - 4 \n" ); document.write( " y2 = -2 \n" ); document.write( "................. \n" ); document.write( "Coordinates of other endpoint = (1, -2) \n" ); document.write( "Hope this helps. :-) \n" ); document.write( " |