document.write( "Question 1064977: Point J is located at (2,5) and point K is located at (4,19).\r
\n" ); document.write( "\n" ); document.write( "What are the coordinates of the point that partitions the directed line segment JK in a 3:2 ratio?
\n" ); document.write( "

Algebra.Com's Answer #680086 by josgarithmetic(39616)\"\" \"About 
You can put this solution on YOUR website!
Line JK is \"y-5=7%28x-2%29\"
\n" ); document.write( "\"y=7x-14%2B5\"
\n" ); document.write( "\"y=7x-9\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Using Distance Formula for \"the point that partitions the directed line segment JK in a 3:2 ratio\",
\n" ); document.write( "\"sqrt%28%28x-2%29%5E2%2B%28y-5%29%5E2%29%2Fsqrt%28%28x-4%29%5E2%2B%28y-19%29%5E2%29=3%2F2\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Substitute, simplify, and solve first for x. Choose the solution which would be between J and K, and then evaluate y.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"3sqrt%28%28x-4%29%5E2%2B%28y-19%29%5E2%29=2sqrt%28%28x-2%29%5E2%2B%28y-5%29%5E2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"3sqrt%28%28x-4%29%5E2%2B%287x-9-19%29%5E2%29=2sqrt%28%28x-2%29%5E2%2B%287x-9-5%29%5E2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"9%28%28x-4%29%5E2%2B%287x-28%29%5E2%29=4%28%28x-2%29%2B%287x-14%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"9%28%28x-4%29%5E2%2B7%28x-4%29%5E2%29=4%28%28x-2%29%5E2%2B7%28x-2%29%5E2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"9%2A8%28x-4%29%5E2=4%2A8%28x-2%29%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"72%28x%5E2-8x%2B16%29=32%28x%5E2-128x%2B128%29\"\r
\n" ); document.write( "\n" ); document.write( ".
\n" ); document.write( "\"40x%5E2-448x%2B1024=0\"
\n" ); document.write( ".
\n" ); document.write( "\"highlight_green%285x%5E2-56x%2B128=0%29\"\r
\n" ); document.write( "\n" ); document.write( "(Discriminant, \"576=24%5E2\")\r
\n" ); document.write( "\n" ); document.write( "\"x=%2856-24%29%2F10\"\r
\n" ); document.write( "\n" ); document.write( "\"x=32%2F10\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28x=16%2F5%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Finding y:
\n" ); document.write( "\"y=7x-9\"\r
\n" ); document.write( "\n" ); document.write( "\"y=7%2816%2F5%29-45%2F5\"\r
\n" ); document.write( "\n" ); document.write( "\"y=%28112-45%29%2F5\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28y=67%2F5%29\"
\n" ); document.write( "
\n" ); document.write( "
\n" );