document.write( "Question 1119600: Find the trisection points of the line segment joining (-6,2) and (3,8) \n" ); document.write( "
Algebra.Com's Answer #735172 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
A( -6,2 )
\n" ); document.write( "D( 3,8 )
\n" ); document.write( "Let trisection points be B and C. so in order
\n" ); document.write( "the points are A, B, C, and D
\n" ); document.write( "-----------------------------
\n" ); document.write( "AB = BC
\n" ); document.write( "BC = CD
\n" ); document.write( "AB = CD
\n" ); document.write( "using x-values
\n" ); document.write( "(1) \"+x%5BB%5D+-%28-6%29+=+x%5BC%5D+-+x%5BB%5D+\"
\n" ); document.write( "(2) \"+3+-+x%5BC%5D+=+x%5BC%5D+-+x%5BB%5D+\"
\n" ); document.write( "so
\n" ); document.write( "(3) \"+x%5BB%5D+%2B+6+=+3+-+x%5BC%5D+\"
\n" ); document.write( "(3) \"+x%5BB%5D+=+-3+-+x%5BC%5D+\"
\n" ); document.write( "Plug this into (2)
\n" ); document.write( "(2) \"+3+-+2x%5BC%5D+=+-%28+-3+-+x%5BC%5D+%29+\"
\n" ); document.write( "(2) \"+3+-+2x%5BC%5D+=+3+%2B+x%5BC%5D+\"
\n" ); document.write( "(2) \"+3x%5BC%5D+=+0+\"
\n" ); document.write( "(2) \"+x%5BC%5D+=+0+\"
\n" ); document.write( "and
\n" ); document.write( "(3) \"+x%5BB%5D+=+-3+-+0+\"
\n" ); document.write( "(3) \"+x%5BB%5D+=+-3+\"
\n" ); document.write( "--------------------------------
\n" ); document.write( "Using y-values
\n" ); document.write( "(1) \"+y%5BB%5D+-+2+=+y%5BC%5D+-+y%5BB%5D+\"
\n" ); document.write( "(2) \"+8+-+y%5BC%5D+=+y%5BC%5D+-+y%5BB%5D+\"
\n" ); document.write( "so
\n" ); document.write( "(3) \"+y%5BB%5D+-+2+=+8+-+y%5BC%5D+\"
\n" ); document.write( "(3) \"+y%5BB%5D+=+10+-+y%7BC%5D+\"
\n" ); document.write( "Plug into (2)
\n" ); document.write( "(2) \"+8+-+2y%5BC%5D+=+-%28+10+-+y%5BC%5D+%29+\"
\n" ); document.write( "(2) \"+8+-+2y%5BC%5D+=+-10+%2B+y%5BC%5D+\"
\n" ); document.write( "(2) \"+3y%5BC%5D+=+18+\"
\n" ); document.write( "(2) \"+y%5BC%5D+=+6+\"
\n" ); document.write( "and
\n" ); document.write( "(3) \"+y%5BB%5D+=+10+-+6+\"
\n" ); document.write( "(3) \"+y%5BB%5D+=+4+\"
\n" ); document.write( "-----------------------
\n" ); document.write( "( x[B], y[B] ) = ( -3,4 )
\n" ); document.write( "( x[C], y[C] ) = ( 0, 6 )
\n" ); document.write( "( -3,4 ) and ( 0,6 ) are trisection points\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );