document.write( "Question 367354: write the slope intercept equation for the line containing the giving pair of points (-2,0) and (0,3) \n" ); document.write( "
Algebra.Com's Answer #261848 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=-2\" and \"y%5B1%5D=0\".\r
\n" ); document.write( "\n" ); document.write( "Also, is the second point . So this means that \"x%5B2%5D=0\" and \"y%5B2%5D=3\".\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=%283-0%29%2F%280--2%29\" Plug in \"y%5B2%5D=3\", \"y%5B1%5D=0\", \"x%5B2%5D=0\", and \"x%5B1%5D=-2\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%283%29%2F%280--2%29\" Subtract \"0\" from \"3\" to get \"3\"\r
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\n" ); document.write( "\n" ); document.write( "\"m=%283%29%2F%282%29\" Subtract \"-2\" from \"0\" 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=3%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-0=%283%2F2%29%28x--2%29\" Plug in \"m=3%2F2\", \"x%5B1%5D=-2\", and \"y%5B1%5D=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-0=%283%2F2%29%28x%2B2%29\" Rewrite \"x--2\" as \"x%2B2\"\r
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\n" ); document.write( "\n" ); document.write( "\"y-0=%283%2F2%29x%2B%283%2F2%29%282%29\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"y-0=%283%2F2%29x%2B3\" Multiply\r
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\n" ); document.write( "\n" ); document.write( "\"y=%283%2F2%29x%2B3\" Simplify\r
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\n" ); document.write( "\n" ); document.write( "So the equation that goes through the points and is \"y=%283%2F2%29x%2B3\"\r
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\n" ); document.write( "\n" ); document.write( " Notice how the graph of \"y=%283%2F2%29x%2B3\" goes through the points and . So this visually verifies our answer.\r
\n" ); document.write( "\n" ); document.write( " Graph of \"y=%283%2F2%29x%2B3\" through the points and \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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