document.write( "Question 386831: I need to find the slope of the line containing (-9, 1/2) and (-5, 1/2). \n" ); document.write( "
Algebra.Com's Answer #273443 by rfer(16322)\"\" \"About 
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slope m=(y2-y1)/(x2-x1)
\n" ); document.write( "m=(.5-.5)/(-5--9)
\n" ); document.write( "m=0/4
\n" ); document.write( "m=0
\n" ); document.write( "no slope
\n" ); document.write( "straight horizontal line
\n" ); document.write( "
\n" );