document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=157655>Question 157655</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find any extrema for:  f(x)= -x^-5x+3  Is this maximum or a minimum?\r<BR>\n" );
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document.write( "This is how far I got, is it correct?<BR>\n" );
document.write( "         x= -[x^-5x+6.25] 6.25+3<BR>\n" );
document.write( "         x= -[x-2.5]^ + 9.25\r<BR>\n" );
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document.write( "         x=2.5   y=9.25    This is a maximum </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #116160 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=116160\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> No.<BR>\n" );
document.write( "Although your final answer is correct your work shows that you don't understand how to get there.<BR>\n" );
document.write( "f(x)=y=-x^2-5x+3 I assume that this is the problem. You didn't put a number for the power in the equation you submitted.<BR>\n" );
document.write( "If the coefficient of x^2 is negative then it is a maximum and vise versa.<BR>\n" );
document.write( "The formula for the maxima or minima at x is x=-b/2a<BR>\n" );
document.write( "x=-(-5)/(2*-1)<BR>\n" );
document.write( "=5/-2<BR>\n" );
document.write( "=-5/2=-2.5<BR>\n" );
document.write( "y=-2.5^2-(5*-2.5)+3<BR>\n" );
document.write( "=-6.25+12.5+3<BR>\n" );
document.write( "=9.25<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed\r<BR>\n" );
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document.write( " </SPAN>\n" );
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