document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=143293>Question 143293</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am confused. o.k. the problem is xsquared+7x+9=0 i do not get how to find the vertex . i know it has to do with the it being max or miminmum . right ?<BR>\n" );
document.write( "Thanks for the help !!<BR>\n" );
document.write( " - confused<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #104274 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=104274\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I am confused. o.k. the problem is x^2+7x+9=y i do not get how to find the vertex . i know it has to do with it being max or miminmum . right ?<BR>\n" );
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document.write( "You have a quadratic with a=1 and b=7<BR>\n" );
document.write( "The vertex occurs when x= -b/2a = -7/2<BR>\n" );
document.write( "The y value when x=-7/2 = (-7/2)^2+7(-7/2)+9 = -13/4<BR>\n" );
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document.write( "The vertex is at (-7/2 , -13/4)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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