document.write( "Question 548202: What is the slope of a line perpendicular to f(x) = 2x - 4? \n" ); document.write( "
Algebra.Com's Answer #356778 by JBarnum(2146)\"\" \"About 
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m=2/1
\n" ); document.write( "the opposite of the reciprical is the slope of the perpendicular line
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