document.write( "Question 645776: Write the equation of the line
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Algebra.Com's Answer #405616 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "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=-6\" and \"y%5B1%5D=10\".\r
\n" ); document.write( "\n" ); document.write( "Also, is the second point . So this means that \"x%5B2%5D=3\" and \"y%5B2%5D=1\".\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=%281-10%29%2F%283--6%29\" Plug in \"y%5B2%5D=1\", \"y%5B1%5D=10\", \"x%5B2%5D=3\", and \"x%5B1%5D=-6\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%28-9%29%2F%283--6%29\" Subtract \"10\" from \"1\" to get \"-9\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%28-9%29%2F%289%29\" Subtract \"-6\" from \"3\" to get \"9\"\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\"\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-10=-1%28x--6%29\" Plug in \"m=-1\", \"x%5B1%5D=-6\", and \"y%5B1%5D=10\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-10=-1%28x%2B6%29\" Rewrite \"x--6\" as \"x%2B6\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-10=-1x%2B-1%286%29\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"y-10=-1x-6\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"y=-1x-6%2B10\" Add 10 to both sides. \r
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\n" ); document.write( "\n" ); document.write( "\"y=-1x%2B4\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"y=-x%2B4\" Simplify\r
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\n" ); document.write( "\n" ); document.write( "So the equation that goes through the points and is \"y=-x%2B4\"\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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\n" ); document.write( "\n" ); document.write( "Jim
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