document.write( "Question 655343: M is the midpoint of segment AB. Find the coordinates of B if the coordinates of A are (-2,5) and the coordinates of M are (8,-12). \n" ); document.write( "
Algebra.Com's Answer #409084 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! M is the midpoint of segment AB. Find the coordinates of B if the coordinates of A are (-2,5) and the coordinates of M are (8,-12). \n" ); document.write( "** \n" ); document.write( "midpoint formula: ((x1+x2)/2, (y1+y2)/2) \n" ); document.write( "(8,-12)=((x1-2)/2,(y1+5)/2) \n" ); document.write( ".. \n" ); document.write( "(x1-2)/2=8 \n" ); document.write( "x1-2=16 \n" ); document.write( "x1=18 \n" ); document.write( ".. \n" ); document.write( "(y1+5)/2=-12 \n" ); document.write( "y1+5=-24 \n" ); document.write( "y1=-29 \n" ); document.write( "... \n" ); document.write( "coordinates of B: (18,-29) \n" ); document.write( "Check: \n" ); document.write( "((x1-2)/2,(y1+5)/2) \n" ); document.write( "=((18-2)/2,(-29+5)/2) \n" ); document.write( "=(16/2,-24/2) \n" ); document.write( "=(8,-12) \n" ); document.write( " |