document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=238486>Question 238486</A>: <I><SPAN STYLE=\"word-break: break-all;\"> f(x)=x^2+4x-45<BR>\n" );
document.write( "Does the graph of f open up or down.<BR>\n" );
document.write( "What is the vertex (h,k) of f<BR>\n" );
document.write( "What is the axis of symmetry<BR>\n" );
document.write( "What are the intercepts </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #175192 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=175192\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1.Opens up, controlled by the sign of <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;\" > coefficient, +up, -down<BR>\n" );
document.write( "2.x coordinate of the vertex is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=-b%2F2a ALIGN=MIDDLE  ALT=\"x=-b%2F2a\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x=-4/2(1)=-2<BR>\n" );
document.write( "y=(-2)^2+4(-2)-45=-49<BR>\n" );
document.write( "(-2,-49)<BR>\n" );
document.write( "3. Axis of symmetry is the x-position of the vertex, x=-2.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+300%2C+-10%2C+10%2C+-50%2C+10%2C+2000%2Ax%2B4100%2Cx%5E2%2B4x-45%2C2000%2Ax%2B4100%29+ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );