document.write( "Question 333148: A line k passes through the points (4,2) and (-4,4). A second line h passes through the points (-8,1) and (8,-3). Is line k parallel to line h? Why or Why not? \n" ); document.write( "
Algebra.Com's Answer #238761 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! Y=mX+b \n" ); document.write( "(4,2) and (-4,4). \n" ); document.write( "m=(Y2-Y1)/(X2-X1) \n" ); document.write( "m=(4-2)/(-4-4) \n" ); document.write( "m=2/-8 \n" ); document.write( "m=-1/4 ans. for this slope. \n" ); document.write( "(-8,1) and (8,-3). \n" ); document.write( "m=(-3-1)/(8+8)=-4/16=-1/4 ans. for this slope. \n" ); document.write( "These lines are parallel because the slopes are equal. \n" ); document.write( " |