document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1039375>Question 1039375</A>: <I><SPAN STYLE=\"word-break: break-all;\">  I need help working through this problem. Mostly just B with Descartes law of signs. Is there a better way to explain what the law of signs is?\r<BR>\n" );
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document.write( "a) Use the RZT Theorem to show the possible rational roots.<BR>\n" );
document.write( "b) Use Descartes law of signs to deduce the possible # of positive and negative roots.<BR>\n" );
document.write( "c) Use synthetic division, polynomial division, or the Remainder Thm to find all the real roots\r<BR>\n" );
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document.write( "1. x^4-13x^2-12x\r<BR>\n" );
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document.write( "a. _____________________<BR>\n" );
document.write( "b. POS #________________<BR>\n" );
document.write( "b. NEG #________________<BR>\n" );
document.write( "c. _  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #654246 by </B><A HREF=/tutors/aboutme.mpl?userid=Aldorozos><B>Aldorozos(172)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Aldorozos><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=654246\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Please see below:<BR>\n" );
document.write( "http://www.purplemath.com/modules/drofsign.htm<BR>\n" );
document.write( " </SPAN>\n" );
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