document.write( "Question 195588: algebra 2
\n" ); document.write( "write an equation for the line with the given info.
\n" ); document.write( "pts (3,5) (5,12)
\n" ); document.write( "I know that you have to use slope intercept for y=mx+b but i dont know how to find the slope. I think you have to make a graph but Im not sure.
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Algebra.Com's Answer #146692 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=%2812-5%29%2F%285-3%29\" Plug in \"y%5B2%5D=12\", \"y%5B1%5D=5\", \"x%5B2%5D=5\", and \"x%5B1%5D=3\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%287%29%2F%285-3%29\" Subtract \"5\" from \"12\" to get \"7\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%287%29%2F%282%29\" Subtract \"3\" from \"5\" to get \"2\"\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=7%2F2\"\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=%287%2F2%29%28x-3%29\" Plug in \"m=7%2F2\", \"x%5B1%5D=3\", and \"y%5B1%5D=5\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-5=%287%2F2%29x%2B%287%2F2%29%28-3%29\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"y-5=%287%2F2%29x-21%2F2\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"y=%287%2F2%29x-21%2F2%2B5\" Add 5 to both sides. \r
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\n" ); document.write( "\n" ); document.write( "\"y=%287%2F2%29x-11%2F2\" 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=%287%2F2%29x-11%2F2\"
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