document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=515319>Question 515319</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I  find all numbers for which the rational expression is undefined? For this rational expression     -(18)/(11y). Please help I am confused! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #343905 by </B><A HREF=/tutors/aboutme.mpl?userid=oberobic><B>oberobic(2304)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oberobic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=343905\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You cannot divide by 0.  Doing so is 'undefined'.<BR>\n" );
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document.write( "So any value of 'y' that would make the denominator = 0 cannot be allowed.<BR>\n" );
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document.write( "(18)/(11y) is undefined if<BR>\n" );
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document.write( "11y = 0<BR>\n" );
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document.write( "That only happens when y = 0<BR>\n" );
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document.write( "So, 'y' can take on any value from -infinity to +infinity, except for 0.<BR>\n" );
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