document.write( "Question 372233: why is the line x-4 a vertical line \n" ); document.write( "
Algebra.Com's Answer #265169 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
x-4 is not a line.
\n" ); document.write( "
\n" ); document.write( "
\n" );