document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=337182>Question 337182</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am supposed to find the maximum value of this equation and am not having any <BR>\n" );
document.write( "luck f(x)= -10/3(x+5)^2 - 5 This is what I have y= -10(x+5)^2/3 - 5*3/3, y= <BR>\n" );
document.write( "(-10(x+5)^2)/3 - 15/3, -10x^2-100x-265/3, factor out -5, y= (-5(2x^2 + <BR>\n" );
document.write( "20x+53)/3, this is where I end.  Please help me understand Thank-you.<BR>\n" );
document.write( "I think the answer is -5 as the constant - 5 = k in the equation f(x)=a(x-h)^2+k </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #241694 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=241694\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> No, the function is already in vertex form.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=-10%2F3 ALIGN=MIDDLE  ALT=\"a=-10%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h=-5 ALIGN=MIDDLE  ALT=\"h=-5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=-5 ALIGN=MIDDLE  ALT=\"k=-5\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "The min or max value occurs at the vertex. <BR>\n" );
document.write( "Since the coefficient of the <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2 ALIGN=MIDDLE  ALT=\"x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > term is negative, the parabola opens downwards and the max value is <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ymax=k=-5 ALIGN=MIDDLE  ALT=\"ymax=k=-5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C-10%2C10%2C-15%2C5%2Ccircle%28-5%2C-5%2C0.3%29%2Cgrid%281%29%2Cblue%28line%28-5%2C20%2C-5%2C-20%29%29%2Cgraph%28300%2C300%2C-10%2C10%2C-15%2C5%2C-%2810%2F3%29%28x%2B5%29%5E2-5%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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