document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=397101>Question 397101</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the vertex, the line of symmetry, and the maximum or minimum value of f(x). Graph the function. \r<BR>\n" );
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document.write( "f(x)= -(x+9)^2-4\r<BR>\n" );
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document.write( "the vertex is?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #281518 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=281518\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The vertex is the point (-9, -4).\r<BR>\n" );
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document.write( "Line of symmetry is x = -9.\r<BR>\n" );
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document.write( "Since a = -1 < 0, the parabola opens downward, and the function has a maximum value of -4 (the y-coordinate of the vertex). </SPAN>\n" );
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