document.write( "Question 131583: Why does the inequality sign change when both sides are divided and multiplied by a negative number? Does this happen with equations? \n" ); document.write( "
Algebra.Com's Answer #96053 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Why does the inequality sign change when both sides are divided and multiplied by a negative number? Does this happen with equations? \n" ); document.write( "---------------- \n" ); document.write( "Try it with numbers and you will see what happens: \n" ); document.write( "Start: -6 < 18 \n" ); document.write( "Multiply both sides by -2 \n" ); document.write( "End: 12 > -36 \n" ); document.write( "The inequality switched and each of the sides changed sign. \n" ); document.write( "----------------------------- \n" ); document.write( "Start -6 < 18 \n" ); document.write( "Divide both sides by -2 \n" ); document.write( "End: 3 > -9 \n" ); document.write( "Again, the inequality switch and each of the sides changed sign. \n" ); document.write( "================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |