document.write( "Question 228314: Find the slope of (-7,9) (8,3) \n" ); document.write( "
Algebra.Com's Answer #169506 by jim_thompson5910(35256)\"\" \"About 
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Note: is the first point . So this means that \"x%5B1%5D=-7\" and \"y%5B1%5D=9\".\r
\n" ); document.write( "\n" ); document.write( "Also, is the second point . So this means that \"x%5B2%5D=8\" and \"y%5B2%5D=3\".\r
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\n" ); document.write( "\n" ); document.write( "\"m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29\" Start with the slope formula.\r
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\n" ); document.write( "\n" ); document.write( "\"m=%283-9%29%2F%288--7%29\" Plug in \"y%5B2%5D=3\", \"y%5B1%5D=9\", \"x%5B2%5D=8\", and \"x%5B1%5D=-7\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%28-6%29%2F%288--7%29\" Subtract \"9\" from \"3\" to get \"-6\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%28-6%29%2F%2815%29\" Subtract \"-7\" from \"8\" to get \"15\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=-2%2F5\" Reduce\r
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\n" ); document.write( "\n" ); document.write( "So the slope of the line that goes through the points and is \"m=-2%2F5\"\r
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