document.write( "Question 759957: Determine whether the pair of lines is parallel, perpendicular, or neither 3x+y=7, -2×+6y=6 \n" ); document.write( "
Algebra.Com's Answer #462316 by tommyt3rd(5050)\"\" \"About 
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3x+y=7,
\n" ); document.write( "-2×+6y=6\r
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\n" ); document.write( "\n" ); document.write( "3x+y=7, m=-3
\n" ); document.write( "×-3y=-3, m=1/3\r
\n" ); document.write( "\n" ); document.write( "These have have a product of -1 so they are perpendicular\r
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