document.write( "Question 745226: Write the slope-intercept equation for the line containing the given pair of points.
\n" ); document.write( "(-6,-2) and (3,4)
\n" ); document.write( "

Algebra.Com's Answer #453761 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( "First let's find the slope of the line through the points and \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Note: is the first point . So this means that \"x%5B1%5D=-6\" and \"y%5B1%5D=-2\".\r
\n" ); document.write( "\n" ); document.write( "Also, is the second point . So this means that \"x%5B2%5D=3\" and \"y%5B2%5D=4\".\r
\n" ); document.write( "
\n" ); document.write( "
\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
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"m=%284--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
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"m=%286%29%2F%283--6%29\" Subtract \"-2\" from \"4\" to get \"6\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"m=%286%29%2F%289%29\" Subtract \"-6\" from \"3\" to get \"9\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"m=2%2F3\" Reduce\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So the slope of the line that goes through the points and is \"m=2%2F3\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Now let's use the point slope formula:\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y-y%5B1%5D=m%28x-x%5B1%5D%29\" Start with the point slope formula\r
\n" ); document.write( "
\n" ); document.write( "
\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
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y--2=%282%2F3%29%28x%2B6%29\" Rewrite \"x--6\" as \"x%2B6\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y%2B2=%282%2F3%29%28x%2B6%29\" Rewrite \"y--2\" as \"y%2B2\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y%2B2=%282%2F3%29x%2B%282%2F3%29%286%29\" Distribute\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y%2B2=%282%2F3%29x%2B4\" Multiply\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y=%282%2F3%29x%2B4-2\" Subtract 2 from both sides. \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y=%282%2F3%29x%2B2\" Combine like terms. \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So the equation that goes through the points and is \"y=%282%2F3%29x%2B2\"
\n" ); document.write( "
\n" ); document.write( "
\n" );