document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=577993>Question 577993</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find all numbers for which the rational expression is undefined. 1/(3y+7) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #370449 by </B><A HREF=/tutors/aboutme.mpl?userid=dfrazzetto><B>dfrazzetto(283)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dfrazzetto><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=dfrazzetto><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=370449\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Undefined when the denominator is zero:\r<BR>\n" );
document.write( "\n" );
document.write( "3y+7=0\r<BR>\n" );
document.write( "\n" );
document.write( "3y=-7\r<BR>\n" );
document.write( "\n" );
document.write( "y=-7/3\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "CHECK:\r<BR>\n" );
document.write( "\n" );
document.write( "1/(3y+7) = 1/(3(-7/3)+7) = 1/(-7+7) = 1/0 undefined &#8730; </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );