document.write( "Question 828369: what is the slope of a line perpendicular to y=1/4x+12 \n" ); document.write( "

Algebra.Com's Answer #499252 by TimothyLamb(4379) $\"\"$ $\"About$

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\n" ); document.write( "perpendicular lines have negative reciprocal slopes:
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\n" ); document.write( "answer:
\n" ); document.write( "m = -4
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