document.write( "Question 357041: Line A goes through the points (0,6) and (3,8), Line B goes through the points (0,-2) and (2,-5). Are lines A and B parallel, perpendicular, or neither parallel nor perpendicular? Express with the slopes of the two lines. \n" ); document.write( "
Algebra.Com's Answer #254974 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Find the slopes of the 2 lines. \n" ); document.write( "slope m = diffy/diffx \n" ); document.write( "m1 = (8-6)/(3-0) = 2/3 \n" ); document.write( "---------------------- \n" ); document.write( "Find the other slope the same way. \n" ); document.write( "If the slopes are the same (2/3) they're parallel. \n" ); document.write( "If the 2nd slope is the negative inverse (-3/2) they're perpendicular. \n" ); document.write( "If neither, they're neither. \n" ); document.write( " |