document.write( "Question 1137538: Are the two lines parallel, perpendicular, or neither? 3y+1=6x+4. 2y+1=x-9 \n" ); document.write( "
Algebra.Com's Answer #755411 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Find the slope of each line.
\n" ); document.write( "----
\n" ); document.write( "If they're equal, they're parallel or coincident (same line).
\n" ); document.write( "It the product of the 2 slopes = -1, they're perpendicular.
\n" ); document.write( "o/w, neither.
\n" ); document.write( "
\n" ); document.write( "
\n" );