document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1121196>Question 1121196</A>: <I><SPAN STYLE=\"word-break: break-all;\"> [hopefully this is the right topic... not sure...]\r<BR>\n" );
document.write( "\n" );
document.write( "I'm having an issue understanding the \"excluded value\".\r<BR>\n" );
document.write( "\n" );
document.write( "State the excluded values for the following expression. Then simplify the expression.\r<BR>\n" );
document.write( "\n" );
document.write( "(k^2 - k - 30) / (k^2 - 11k + 30)<BR>\n" );
document.write( "I factored it down and simplified to (k+5)/(k-5). \r<BR>\n" );
document.write( "\n" );
document.write( "What would be the excluded value? Is it the x-6 that I cancelled out?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #736983 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=736983\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "The excluded values are the values of the variable for which the expression can not be evaluated.<br><BR>\n" );
document.write( "For an algebraic fraction, the excluded values are those which make the denominator of the fraction equal to 0, because a fraction with 0 denominator can not be evaluated.<br><BR>\n" );
document.write( "You factored the original fraction into<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28k%2B5%29%28k-6%29%29%2F%28%28k-5%29%28k-6%29%29 ALIGN=MIDDLE  ALT=\"%28%28k%2B5%29%28k-6%29%29%2F%28%28k-5%29%28k-6%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "and then simplified to<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28k%2B5%29%2F%28k-5%29 ALIGN=MIDDLE  ALT=\"%28k%2B5%29%2F%28k-5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "But the excluded values are any which make the denominator of the ORIGINAL, UNSIMPLIFIED fraction equal to 0.<br><BR>\n" );
document.write( "So the excluded values are both k=5 and k=6. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );