document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=919937>Question 919937</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Is -1/2 a zero of f(x) = 2x^4 + 5x^3 - 5x - 2? Justify your answer. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #558070 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=558070\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Evaluate <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28-1%2F2%29 ALIGN=MIDDLE  ALT=\"f%28-1%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > and find the result.  Zero or nonzero?<BR>\n" );
document.write( "Either it zero or it is not zero.<BR>\n" );
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