document.write( "Question 113852: determine which two equation represent perpendicular lines. \r
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document.write( "a) y=4/7x-3
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document.write( "b) y=3x-4/7
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document.write( "c) y=-1/3x+4/7
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document.write( "d) y=1/3x-4/7 \n" );
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Algebra.Com's Answer #82859 by edjones(8007)![]() ![]() You can put this solution on YOUR website! b and c. \n" ); document.write( "y=mx+b \n" ); document.write( "In order to form perpendicular lines the slope(m) of one has to be the negative reciprocal of the other. \n" ); document.write( "the negative reciprocal of 3 is -1/3 and vice versa. \n" ); document.write( "Ed \n" ); document.write( " |