document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=200244>Question 200244</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which numbers cannot be used in place of the variable in each<BR>\n" );
document.write( "rational expression?\r<BR>\n" );
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document.write( "2y+1/y^2-y-6 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #150547 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=150547\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282y%2B1%29%2F%28y%5E2-y-6%29 ALIGN=MIDDLE  ALT=\"%282y%2B1%29%2F%28y%5E2-y-6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Which y is disallowed? Any y that results in the denominator becoming 0<BR>\n" );
document.write( "Which y make the denominator 0?<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2+-+y+-+6+=+0 ALIGN=MIDDLE  ALT=\"y%5E2+-+y+-+6+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y-3%29%28y%2B2%29+=+0 ALIGN=MIDDLE  ALT=\"%28y-3%29%28y%2B2%29+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So y = 3 and y =-2 cannot be used (not in the domain) </SPAN>\n" );
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