document.write( "Question 121003: Can you please which two of these equation represent perpendicular lines:
\n" ); document.write( "(a) y = 4/7x - 3 (b) y = 3x - 4/7 (c) y = -1/3x + 4/7 (d) y = 1/3x - 4/7?
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Algebra.Com's Answer #88968 by brierhopper(1)\"\" \"About 
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The answer would be (b) y = 3x - 4/7 and (c) y = -1/3x + 4/7 \n" ); document.write( "
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