document.write( "Question 183633: write the equation of the line that passes through (7,3) and (2,5) in slope intercept form. \n" ); document.write( "
Algebra.Com's Answer #137867 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 and is the second point .\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=%285-3%29%2F%282-7%29\" Plug in \"y%5B2%5D=5\", \"y%5B1%5D=3\", \"x%5B2%5D=2\", and \"x%5B1%5D=7\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%282%29%2F%282-7%29\" Subtract \"3\" from \"5\" to get \"2\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%282%29%2F%28-5%29\" Subtract \"7\" from \"2\" to get \"-5\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=-2%2F5\" 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=-2%2F5\"\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-3=%28-2%2F5%29%28x-7%29\" Plug in \"m=-2%2F5\", \"x%5B1%5D=7\", and \"y%5B1%5D=3\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-3=%28-2%2F5%29x%2B%28-2%2F5%29%28-7%29\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"y-3=%28-2%2F5%29x%2B14%2F5\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-2%2F5%29x%2B14%2F5%2B3\" Add 3 to both sides. \r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-2%2F5%29x%2B29%2F5\" 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=%28-2%2F5%29x%2B29%2F5\"\r
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