document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=150469>Question 150469</A>: <I><SPAN STYLE=\"word-break: break-all;\"> graph f(x)=-x^2+3x+2 and find the vertex. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #110432 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=110432\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> graph f(x)=-x^2+3x+2 and find the vertex.<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "The vertex occurs where x = -b/2a = -3/(2*-1) = 3/2<BR>\n" );
document.write( "and f(3/2) = -(3/2)^2+3*(3/2)+2 = -9/4 + 18/4 + 8/4 = 17/4<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C300%2C-10%2C10%2C-10%2C10%2C-x%5E2%2B3x%2B2%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C300%2C-10%2C10%2C-10%2C10%2C-x%5E2%2B3x%2B2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "===================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );