document.write( "Question 613791: determine weather the two lines are parallel perpendicular or neither \r
\n" ); document.write( "\n" ); document.write( "2x+2y=7
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Algebra.Com's Answer #386260 by scott8148(6628)\"\" \"About 
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the ratios of the coefficients are negative-reciprocals, so the lines are perpendicular \n" ); document.write( "
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