document.write( "Question 554904: how can i resolve the problem= (4,2),(-6,7) i have to find the equation. \n" ); document.write( "
Algebra.Com's Answer #361558 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\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=4\" and \"y%5B1%5D=2\".\r
\n" ); document.write( "\n" ); document.write( "Also, is the second point . So this means that \"x%5B2%5D=-6\" and \"y%5B2%5D=7\".\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=%287-2%29%2F%28-6-4%29\" Plug in \"y%5B2%5D=7\", \"y%5B1%5D=2\", \"x%5B2%5D=-6\", and \"x%5B1%5D=4\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%285%29%2F%28-6-4%29\" Subtract \"2\" from \"7\" to get \"5\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%285%29%2F%28-10%29\" Subtract \"4\" from \"-6\" to get \"-10\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=-1%2F2\" 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%2F2\"\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-2=%28-1%2F2%29%28x-4%29\" Plug in \"m=-1%2F2\", \"x%5B1%5D=4\", and \"y%5B1%5D=2\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-2=%28-1%2F2%29x%2B%28-1%2F2%29%28-4%29\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"y-2=%28-1%2F2%29x%2B2\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-1%2F2%29x%2B2%2B2\" Add 2 to both sides. \r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-1%2F2%29x%2B4\" 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=%28-1%2F2%29x%2B4\"\r
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\n" ); document.write( "\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\r
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