document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=127364>Question 127364</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321356918/algebrahomeworkh>College Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Determine whether the given number is a zero of the polynomial function.<BR>\n" );
document.write( "11) P(x) = 8x3 + 9x2 + x + 138; -3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #93321 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=93321\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Just replace x with -3 and see if P(-3)=0<BR>\n" );
document.write( "P(x) = 8x^3 + 9x^2 + x + 138<BR>\n" );
document.write( "P(-3) = 8*(-3)^3 + 9*(-3)^2 -3 + 138<BR>\n" );
document.write( "=8*-27+9*9-3+138<BR>\n" );
document.write( "=-216+81-3+138<BR>\n" );
document.write( "=0<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Yes -3 is a zero of P(x)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );