document.write( "Question 514184: in the x-y plane, the equation y=1/2x-3 is a line that is perpendicualr to the graph of the equation y=mx+(1/3). what is the value of m? \n" ); document.write( "
Algebra.Com's Answer #343319 by Alan3354(69443)\"\" \"About 
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m = the negative inverse of 1/2
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