document.write( "Question 312597: How can I explain in 50 words that x=4 is a vertical line? \n" ); document.write( "
Algebra.Com's Answer #223505 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! For all values of y, x is 4. That makes it parallel to the y-axis, or vertical. \n" ); document.write( " |