document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=6588>Question 6588</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I figure out whether or not the vertex of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y=+-99%28x-7%29%5E2+-+2+ ALIGN=MIDDLE  ALT=\"+y=+-99%28x-7%29%5E2+-+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" > is a minimum value? Any sort of help with this problem would be appreciated. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #3586 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=3586\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Take a look at the coefficient of the x^2 term.  Notice that it is negative: This indicates that the parabola opens downward, therefore, the vertex must be a maximum.\r<BR>\n" );
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document.write( "The equation is in the form:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+a%28x-h%29%5E2+%2B+k ALIGN=MIDDLE  ALT=\"y+=+a%28x-h%29%5E2+%2B+k\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "  The vertex is located at (h, k) or at ( 7, -2) </SPAN>\n" );
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