document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=140900>Question 140900</A>: <I><SPAN STYLE=\"word-break: break-all;\"> does this function have a maximum or a minimum?<BR>\n" );
document.write( "x^2+4x-5=0<BR>\n" );
document.write( "or <BR>\n" );
document.write( "(-5,1)<BR>\n" );
document.write( "or<BR>\n" );
document.write( "(-2,-9)<BR>\n" );
document.write( "and what are the coordinates of the vertex in (x,y) form and what is the equation of the line of symmetry on the graph? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #102569 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=102569\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1) It has a minimum because the coefficient of x^2 is positive.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "2) <BR>\n" );
document.write( "x^2+4x-5=0<BR>\n" );
document.write( "(x+5)(x-1)=0<BR>\n" );
document.write( "x=-5, x=1<BR>\n" );
document.write( "(-5,1)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "3)<BR>\n" );
document.write( "(-5+1)/2=-2<BR>\n" );
document.write( "Line of symmetry  is a vertical line on y=-2<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed<BR>\n" );
document.write( ".<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );