document.write( "Question 173073: Use point-slope form to determine the equation of the line passing through the two given points. Then write the equation in slope-intercept form.
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Algebra.Com's Answer #127922 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( "\"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=%28-23-9%29%2F%281-5%29\" Plug in \"y%5B2%5D=-23\", \"y%5B1%5D=9\", \"x%5B2%5D=1\", and \"x%5B1%5D=5\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%28-32%29%2F%281-5%29\" Subtract \"9\" from \"-23\" to get \"-32\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%28-32%29%2F%28-4%29\" Subtract \"5\" from \"1\" to get \"-4\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=8\" 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=8\"\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-9=8%28x-5%29\" Plug in \"m=8\", \"x%5B1%5D=5\", and \"y%5B1%5D=9\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-9=8x%2B8%28-5%29\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"y-9=8x-40\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"y=8x-40%2B9\" Add 9 to both sides. \r
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\n" ); document.write( "\n" ); document.write( "\"y=8x-31\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"y=8x-31\" Simplify\r
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\n" ); document.write( "\n" ); document.write( "So the equation that goes through the points and is \"y=8x-31\"\r
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