document.write( "Question 252861: which two equations represent perpendicular lines.\r
\n" ); document.write( "\n" ); document.write( "(a) y = 2/3 x – 3
\n" ); document.write( "(b) y = 3x – 2/3
\n" ); document.write( "(c) y = -1/3x + 2/3
\n" ); document.write( "(d) y = 1/3x – 2/3
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Algebra.Com's Answer #184970 by edjones(8007)\"\" \"About 
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b & c. One is the negative reciprocal of the other. \n" ); document.write( "
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