document.write( "Question 297887: write an equation of the line through the given points. (0,-6) (8,-16) Try to get back to me a.s.a.p! Thanks a lot! \n" ); document.write( "
Algebra.Com's Answer #214440 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=0\" and \"y%5B1%5D=-6\".\r
\n" ); document.write( "\n" ); document.write( "Also, is the second point . So this means that \"x%5B2%5D=8\" and \"y%5B2%5D=-16\".\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=%28-16--6%29%2F%288-0%29\" Plug in \"y%5B2%5D=-16\", \"y%5B1%5D=-6\", \"x%5B2%5D=8\", and \"x%5B1%5D=0\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"m=%28-10%29%2F%288-0%29\" Subtract \"-6\" from \"-16\" to get \"-10\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"m=%28-10%29%2F%288%29\" Subtract \"0\" from \"8\" to get \"8\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"m=-5%2F4\" 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=-5%2F4\"\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--6=%28-5%2F4%29%28x-0%29\" Plug in \"m=-5%2F4\", \"x%5B1%5D=0\", and \"y%5B1%5D=-6\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y%2B6=%28-5%2F4%29%28x-0%29\" Rewrite \"y--6\" as \"y%2B6\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y%2B6=%28-5%2F4%29x%2B%28-5%2F4%29%28-0%29\" Distribute\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y%2B6=%28-5%2F4%29x%2B0\" Multiply\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y=%28-5%2F4%29x%2B0-6\" Subtract 6 from both sides. \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"y=%28-5%2F4%29x-6\" 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=%28-5%2F4%29x-6\"\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );