document.write( "Question 614865: Without graphing, determine if the pairs are parallel, perpendicular or neither.\r
\n" ); document.write( "\n" ); document.write( "5x - 6y = 19 \r
\n" ); document.write( "\n" ); document.write( "6x + 5y = -30
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Algebra.Com's Answer #386744 by scott8148(6628)\"\" \"About 
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perpendicular\r
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\n" ); document.write( "\n" ); document.write( "the ratios of the coefficients are negative reciprocals
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