document.write( "Question 349745: Write the equation in slope-intercept form for the line passing through each pair of points (-1,3) and (2,-5) \n" ); document.write( "
Algebra.Com's Answer #249976 by jim_thompson5910(35256)\"\" \"About 
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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( "\"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=%28-5-3%29%2F%282--1%29\" Plug in \"y%5B2%5D=-5\", \"y%5B1%5D=3\", \"x%5B2%5D=2\", and \"x%5B1%5D=-1\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%28-8%29%2F%282--1%29\" Subtract \"3\" from \"-5\" to get \"-8\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%28-8%29%2F%283%29\" Subtract \"-1\" from \"2\" to get \"3\"\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%2F3\"\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=%28-8%2F3%29%28x--1%29\" Plug in \"m=-8%2F3\", \"x%5B1%5D=-1\", and \"y%5B1%5D=3\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-3=%28-8%2F3%29%28x%2B1%29\" Rewrite \"x--1\" as \"x%2B1\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-3=%28-8%2F3%29x%2B%28-8%2F3%29%281%29\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"y-3=%28-8%2F3%29x-8%2F3\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-8%2F3%29x-8%2F3%2B3\" Add 3 to both sides. \r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-8%2F3%29x%2B1%2F3\" Combine like terms. note: If you need help with fractions, check out this solver.\r
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\n" ); document.write( "\n" ); document.write( "\"y=%28-8%2F3%29x%2B1%2F3\" Simplify\r
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\n" ); document.write( "\n" ); document.write( "So the equation that goes through the points and is \"y=%28-8%2F3%29x%2B1%2F3\"\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, feel free to check out my tutoring website\r
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\n" ); document.write( "\n" ); document.write( "Jim
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