document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=884798>Question 884798</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find all real numbers for which the rational expression is undefined. If the rational expression is defined, so state. (x)/(x-8)\r<BR>\n" );
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document.write( "I don't just want the answer, I want the work because I was never taught this specific subject. Help please!!<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #534667 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=534667\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You cannot divide by zero. You cannot do something like 1/0. This is undefined.\r<BR>\n" );
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document.write( "So that means the denominator x - 8 cannot be zero.\r<BR>\n" );
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document.write( "IF the denominator was zero, then \r<BR>\n" );
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document.write( "x-8 = 0\r<BR>\n" );
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document.write( "x = 8\r<BR>\n" );
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document.write( "So IF the denominator was zero, then x = 8. Go backwards and that means x = 8 causes the denominator to be zero.\r<BR>\n" );
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document.write( "So x = <font size=5 color=\"red\">8</font> makes the expression undefined. </SPAN>\n" );
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