document.write( "Question 202967: What is an equation of the points on the graph(0,5) and (1,1) ? \n" ); document.write( "
Algebra.Com's Answer #153106 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( "Note: is the first point . So this means that \"x%5B1%5D=0\" and \"y%5B1%5D=5\".\r
\n" ); document.write( "\n" ); document.write( "Also, is the second point . So this means that \"x%5B2%5D=1\" and \"y%5B2%5D=1\".\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=%281-5%29%2F%281-0%29\" Plug in \"y%5B2%5D=1\", \"y%5B1%5D=5\", \"x%5B2%5D=1\", and \"x%5B1%5D=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%28-4%29%2F%281-0%29\" Subtract \"5\" from \"1\" to get \"-4\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%28-4%29%2F%281%29\" Subtract \"0\" from \"1\" to get \"1\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=-4\" 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=-4\"\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-5=-4%28x-0%29\" Plug in \"m=-4\", \"x%5B1%5D=0\", and \"y%5B1%5D=5\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-5=-4x%2B-4%28-0%29\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"y-5=-4x%2B0\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"y=-4x%2B0%2B5\" Add 5 to both sides. \r
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\n" ); document.write( "\n" ); document.write( "\"y=-4x%2B5\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"y=-4x%2B5\" Simplify\r
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\n" ); document.write( "\n" ); document.write( "So the equation that goes through the points and is \"y=-4x%2B5\"\r
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\n" ); document.write( "\n" ); document.write( " Notice how the graph of \"y=-4x%2B5\" goes through the points and . So this visually verifies our answer.\r
\n" ); document.write( "\n" ); document.write( " Graph of \"y=-4x%2B5\" through the points and \r
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