document.write( "Question 153129: The question asks \"write an equation for the line containing the indicated points.\"\r
\n" ); document.write( "\n" ); document.write( "they give me \r
\n" ); document.write( "\n" ); document.write( "1. (2,4)and (3,5)\r
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Algebra.Com's Answer #112627 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( "\"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=%285-4%29%2F%283-2%29\" Plug in \"y%5B2%5D=5\", \"y%5B1%5D=4\", \"x%5B2%5D=3\", \"x%5B1%5D=2\", , \r
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\n" ); document.write( "\n" ); document.write( "\"m=%281%29%2F%283-2%29\" Subtract \"4\" from \"5\" to get \"1\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%281%29%2F%281%29\" Subtract \"2\" from \"3\" to get \"1\"\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-2%29\" Plug in \"m=1\", \"x%5B1%5D=2\", and \"y%5B1%5D=4\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-4=1x%2B1%28-2%29\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"y-4=1x-2\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"y=1x-2%2B4\" Add 4 to both sides. \r
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\n" ); document.write( "\n" ); document.write( "\"y=1x%2B2\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"y=x%2B2\" Simplify\r
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\n" ); document.write( "\n" ); document.write( "So the equation that goes through the points and is \"y=x%2B2\"\r
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\n" ); document.write( "\n" ); document.write( " Notice how the graph of \"y=x%2B2\" goes through the points and . So this visually verifies our answer.\r
\n" ); document.write( "\n" ); document.write( " Graph of \"y=x%2B2\" through the points and \r
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