document.write( "Question 639008: find the slope of line containing pairs of points (7,1) (3,5) \n" ); document.write( "
Algebra.Com's Answer #402512 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "Note: is the first point . So this means that \"x%5B1%5D=7\" and \"y%5B1%5D=1\".\r
\n" ); document.write( "\n" ); document.write( "Also, is the second point . So this means that \"x%5B2%5D=3\" and \"y%5B2%5D=5\".\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=%285-1%29%2F%283-7%29\" Plug in \"y%5B2%5D=5\", \"y%5B1%5D=1\", \"x%5B2%5D=3\", and \"x%5B1%5D=7\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%284%29%2F%283-7%29\" Subtract \"1\" from \"5\" to get \"4\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%284%29%2F%28-4%29\" Subtract \"7\" from \"3\" to get \"-4\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=-1\" 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=-1\"
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