document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1073021>Question 1073021</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine the vertex of the function y=4x-x^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #687844 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52864)</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=687844\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4x+-+x%5E2 ALIGN=MIDDLE  ALT=\"4x+-+x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-%28x%5E2-4x%29 ALIGN=MIDDLE  ALT=\"-%28x%5E2-4x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-%28x%5E2+-+4x+%2B+4%29+%2B+4 ALIGN=MIDDLE  ALT=\"-%28x%5E2+-+4x+%2B+4%29+%2B+4\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-%28x-2%29%5E2%2B4 ALIGN=MIDDLE  ALT=\"-%28x-2%29%5E2%2B4\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "The vertex is (x,y) = (2,4).\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28+330%2C+330%2C+-5.5%2C+6.5%2C+-8.5%2C+6.5%2C%0D%0A++++++++++-x%5E2+%2B+4x%0D%0A%29 ALIGN=MIDDLE  ALT=\"graph%28+330%2C+330%2C+-5.5%2C+6.5%2C+-8.5%2C+6.5%2C%0D%0A++++++++++-x%5E2+%2B+4x%0D%0A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Plot y = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-x%5E2+%2B+4x ALIGN=MIDDLE  ALT=\"-x%5E2+%2B+4x\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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