document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=816792>Question 816792</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the equation of the quadratic function with roots -2 and  4 and a vertex at (1,9)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #491711 by </B><A HREF=/tutors/aboutme.mpl?userid=LinnW><B>LinnW(1048)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=LinnW><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=LinnW><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=491711\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You could use<BR>\n" );
document.write( "http://www.wolframalpha.com/input/?i=fit+quadratic+{{-2%2C0}%2C{1%2C9}%2C{4%2C0}}\r<BR>\n" );
document.write( "\n" );
document.write( "Input is<BR>\n" );
document.write( "fit quadratic {{-2,0},{1,9},{4,0}}\r<BR>\n" );
document.write( "\n" );
document.write( "Answer is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-x%5E2%2B2x%2B8 ALIGN=MIDDLE  ALT=\"-x%5E2%2B2x%2B8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );