document.write( "Question 929756: Find the equation of the line satisfying the specified conditions\r
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Algebra.Com's Answer #564452 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=-3\" and \"y%5B1%5D=4\".\r
\n" ); document.write( "\n" ); document.write( "Also, is the second point . So this means that \"x%5B2%5D=-5\" and \"y%5B2%5D=6\".\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=%286-4%29%2F%28-5--3%29\" Plug in \"y%5B2%5D=6\", \"y%5B1%5D=4\", \"x%5B2%5D=-5\", and \"x%5B1%5D=-3\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%282%29%2F%28-5--3%29\" Subtract \"4\" from \"6\" to get \"2\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%282%29%2F%28-2%29\" Subtract \"-3\" from \"-5\" to get \"-2\"\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-4=-1%28x--3%29\" Plug in \"m=-1\", \"x%5B1%5D=-3\", and \"y%5B1%5D=4\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-4=-1%28x%2B3%29\" Rewrite \"x--3\" as \"x%2B3\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-4=-1x%2B-1%283%29\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"y-4=-1x-3\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"y=-1x-3%2B4\" Add 4 to both sides. \r
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\n" ); document.write( "\n" ); document.write( "\"y=-1x%2B1\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"y=-x%2B1\" Simplify\r
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\n" ); document.write( "\n" ); document.write( "So the equation that goes through the points and is \"y=-x%2B1\"\r
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\n" ); document.write( "\n" ); document.write( " Notice how the graph of \"y=-x%2B1\" goes through the points and . So this visually verifies our answer.\r
\n" ); document.write( "\n" ); document.write( " Graph of \"y=-x%2B1\" through the points and \r
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\n" ); document.write( "\n" ); document.write( "If you need more one-on-one help, email me at jim_thompson5910@hotmail.com. You can ask me a few more questions for free, but afterwards, I would charge you ($2 a problem to have steps shown or $1 a problem for answer only).\r
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