document.write( "Question 613791: determine weather the two lines are parallel perpendicular or neither \r
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document.write( "2x+2y=7
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document.write( "2x-2y+5 \n" );
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Algebra.Com's Answer #386260 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! the ratios of the coefficients are negative-reciprocals, so the lines are perpendicular \n" ); document.write( " |