document.write( "Question 868640: given A(18,9), B(6,27), and C(6,9), determine the coordinates of point D such that CD is parallel to AB and D is on the:\r
\n" ); document.write( "\n" ); document.write( "i)y-axis
\n" ); document.write( "ii)x-axis
\n" ); document.write( "

Algebra.Com's Answer #523716 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
A(18,9), B(6,27), and C(6,9)
\n" ); document.write( "D(0,y) on the y axis
\n" ); document.write( "D(x,0) on the x axis\r
\n" ); document.write( "\n" ); document.write( "y = 36-(3x)/2
\n" ); document.write( "y = 36-(3x)/2
\n" ); document.write( "9 = b-(3*6)/2
\n" ); document.write( "9 = b-9
\n" ); document.write( "b=18
\n" ); document.write( "y = 18-(3x)/2
\n" ); document.write( "D(0,18) on the y axis
\n" ); document.write( "y = 18-(3x)/2
\n" ); document.write( "y=0
\n" ); document.write( "3x/2=18
\n" ); document.write( "3x=36
\n" ); document.write( "x=12
\n" ); document.write( "D(12,0) on the x axis\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );