document.write( "Question 174232: Determine which lines, if any, are parallel or perpendicular.\r
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document.write( "Line a: y = 3x + 6, Line b: 3x + y = 6, Line c: 3y = 2x + 18
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Algebra.Com's Answer #129160 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! Rewriting each of the given equation into the \"point-slope\" form of \n" ); document.write( "y = mx + b \n" ); document.write( ". \n" ); document.write( "Line a: y = 3x + 6 \n" ); document.write( ". \n" ); document.write( "Line b: 3x + y = 6 \n" ); document.write( "y = -3x + 6 \n" ); document.write( ". \n" ); document.write( "Line c: 3y = 2x + 18 \n" ); document.write( "y = (2/3)x + 6 \n" ); document.write( ". \n" ); document.write( "Since NO two lines have the same slope -- no lines are parallel. \n" ); document.write( "And, NO two lines have slopes that are \"negative reciprocals\" \n" ); document.write( ". \n" ); document.write( "Therefore, NONE of the lines are parallel OR perpendicular to each other. \n" ); document.write( " |