document.write( "Question 546172: what is the slope fourm of (6,-7) (9,-9) ? \n" ); document.write( "
Algebra.Com's Answer #355884 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Note: is the first point . So this means that \"x%5B1%5D=6\" and \"y%5B1%5D=-7\".\r
\n" ); document.write( "\n" ); document.write( "Also, is the second point . So this means that \"x%5B2%5D=9\" and \"y%5B2%5D=-9\".\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=%28-9--7%29%2F%289-6%29\" Plug in \"y%5B2%5D=-9\", \"y%5B1%5D=-7\", \"x%5B2%5D=9\", and \"x%5B1%5D=6\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%28-2%29%2F%289-6%29\" Subtract \"-7\" from \"-9\" to get \"-2\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%28-2%29%2F%283%29\" Subtract \"6\" from \"9\" to get \"3\"\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%2F3\"\r
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