document.write( "Question 627679: line that passes through the points (7,-1) and (6,5). \n" ); document.write( "
Algebra.Com's Answer #395056 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
First let's find the slope of the line through the points and \r
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\n" ); document.write( "\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=6\" 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%286-7%29\" Plug in \"y%5B2%5D=5\", \"y%5B1%5D=-1\", \"x%5B2%5D=6\", and \"x%5B1%5D=7\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%286%29%2F%286-7%29\" Subtract \"-1\" from \"5\" to get \"6\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%286%29%2F%28-1%29\" Subtract \"7\" from \"6\" to get \"-1\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=-6\" 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=-6\"\r
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\n" ); document.write( "\n" ); document.write( "Now let's use the point slope formula:\r
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\n" ); document.write( "\n" ); document.write( "\"y-y%5B1%5D=m%28x-x%5B1%5D%29\" Start with the point slope formula\r
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\n" ); document.write( "\n" ); document.write( "\"y--1=-6%28x-7%29\" Plug in \"m=-6\", \"x%5B1%5D=7\", and \"y%5B1%5D=-1\"\r
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\n" ); document.write( "\n" ); document.write( "\"y%2B1=-6%28x-7%29\" Rewrite \"y--1\" as \"y%2B1\"\r
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\n" ); document.write( "\n" ); document.write( "\"y%2B1=-6x%2B-6%28-7%29\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"y%2B1=-6x%2B42\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"y=-6x%2B42-1\" Subtract 1 from both sides. \r
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\n" ); document.write( "\n" ); document.write( "\"y=-6x%2B41\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "So the equation that goes through the points and is \"y=-6x%2B41\"\r
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\n" ); document.write( "If you need more help, email me at jim_thompson5910@hotmail.com\r
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\n" ); document.write( "\n" ); document.write( "Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you\r
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