document.write( "Question 175067: Are these sets of lines parallel, perpendicular, or neither.\r
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document.write( "3x+y=5
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document.write( "-x+3y=6
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Algebra.Com's Answer #130150 by Mathtut(3670)![]() ![]() ![]() You can put this solution on YOUR website! write equation in slope intercept form...y=mx+b \n" ); document.write( ": \n" ); document.write( "y=-3x+5 \n" ); document.write( ": \n" ); document.write( "3y=x+6--->y=(1/3)x+2 \n" ); document.write( ": \n" ); document.write( "now compare the slopes one is -3 and one is 1/3.....those are negative recipricals of each other therefore these lines are perpendicular to one another \n" ); document.write( " |