document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=121909>Question 121909</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you give me a detailed explanation why the line x=4 is a vertical line?\r<BR>\n" );
document.write( "\n" );
document.write( "Thanks in advance<BR>\n" );
document.write( "Sydoni </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #89491 by </B><A HREF=/tutors/aboutme.mpl?userid=jainenderkapoor><B>jainenderkapoor(61)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jainenderkapoor><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=jainenderkapoor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=89491\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For drawing a line we need points .<BR>\n" );
document.write( "We find the points and join them to get the line for the given equation.\r<BR>\n" );
document.write( "\n" );
document.write( "Equation is x = 4\r<BR>\n" );
document.write( "\n" );
document.write( "We can find the points (x, y)  by giving different values to x or y and finding corresponding values of y and x\r<BR>\n" );
document.write( "\n" );
document.write( "The equation says x = 4    (it means x has a fixed value)<BR>\n" );
document.write( "So whatever value of y we take the x can take only 4\r<BR>\n" );
document.write( "\n" );
document.write( "Our points become   (4, 1)  (4, 4)   (4, 0)  and so on..  \r<BR>\n" );
document.write( "\n" );
document.write( "When we join these points we see that it is a vertical line - parallel to y-axis.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Hope the solution is clear to you. If you need any help you can contact me at jainenderkaporo@gmail.com I am also available for Online Tutoring at very reasonable rates. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );