document.write( "Question 452199: Find the slope, if one exists, of the line containing the pair of points.\r
\n" ); document.write( "\n" ); document.write( "(8,7) and (9,-9)
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Algebra.Com's Answer #310843 by nerdybill(7384)\"\" \"About 
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(8,7) and (9,-9)
\n" ); document.write( "m (slope) = (y2 - y1)/(x2 - x1)
\n" ); document.write( "m (slope) = (-9 - 7)/(9 - 8)
\n" ); document.write( "m (slope) = (-16)/(1)
\n" ); document.write( "m (slope) = -16
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