document.write( "Question 197547: write an equation in slope intercept form of the line passing through each pair of points: (6,-2) and (3,-4) \n" ); document.write( "
Algebra.Com's Answer #148133 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=%28-4--2%29%2F%283-6%29\" Plug in \"y%5B2%5D=-4\", \"y%5B1%5D=-2\", \"x%5B2%5D=3\", and \"x%5B1%5D=6\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%28-2%29%2F%283-6%29\" Subtract \"-2\" from \"-4\" to get \"-2\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%28-2%29%2F%28-3%29\" Subtract \"6\" from \"3\" to get \"-3\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=2%2F3\" 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%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--2=%282%2F3%29%28x-6%29\" Plug in \"m=2%2F3\", \"x%5B1%5D=6\", and \"y%5B1%5D=-2\"\r
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\n" ); document.write( "\n" ); document.write( "\"y%2B2=%282%2F3%29%28x-6%29\" Rewrite \"y--2\" as \"y%2B2\"\r
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\n" ); document.write( "\n" ); document.write( "\"y%2B2=%282%2F3%29x%2B%282%2F3%29%28-6%29\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"y%2B2=%282%2F3%29x-4\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"y=%282%2F3%29x-4-2\" Subtract 2 from both sides. \r
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\n" ); document.write( "\n" ); document.write( "\"y=%282%2F3%29x-6\" 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=%282%2F3%29x-6\"\r
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\n" ); document.write( "\n" ); document.write( " Notice how the graph of \"y=%282%2F3%29x-6\" goes through the points and . So this visually verifies our answer.\r
\n" ); document.write( "\n" ); document.write( " Graph of \"y=%282%2F3%29x-6\" through the points and \r
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