document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=481534>Question 481534</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm struggling with this. I need to find the vertex, line of symmetry, and the max or min value of f(x).<BR>\n" );
document.write( "The equation is f(x)=1/3 (x+7)^2 + 9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #852373 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52879)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=852373\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "I'm struggling with this. I need to find the vertex, line of symmetry, and the max or min value of f(x).<BR>\n" );
document.write( "The equation is f(x)=1/3 (x+7)^2 + 9<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In his post, tutor @Theo makes a lot of unnecessary calculations.\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If you will follow his solution, your teacher will see that you do not understand the basic conceptions\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of the subject.\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The problem can be and should be solved in couple of lines.\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Do not follow the @Theo' solution, since it is wrong way teaching.\r<BR>\n" );
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document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "You are given an equation of a parabola in the vertex form.\r\n" );
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document.write( "Having this equation, you immediately see that the line of symmetry is x=-7\r\n" );
document.write( "and the vertex point is (-7,9).\r\n" );
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document.write( "Minimum value of the function is 9 at x = -7  (at the vertex point).\r\n" );
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document.write( "Solved.\r<BR>\n" );
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document.write( "This is all that your teacher wants to get from you.\r<BR>\n" );
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document.write( "I don't know, for what reason tutor @Theo to bulk up tons of unnecessary calculations in many <BR>\n" );
document.write( "of his posts. It is definitely wrong style teaching --- I would even say - unacceptable style of teaching.\r<BR>\n" );
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document.write( "It is why I re-write one his \"solution\" after another.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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