document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=890407>Question 890407</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Not sure how to figure this out.In the equation f(x)=a (x-h)^2 +k, if a > 0, h< 0, and k <, Which of the following statements must be true?<BR>\n" );
document.write( "(a) The parabola opens upward and has a vertex in the 3rd quadrant.<BR>\n" );
document.write( "(b) The parabola opens upward and has a vertex in the 4th quadrant.<BR>\n" );
document.write( "© The parabola opens downward and has vertex in the 3rd quadrant.<BR>\n" );
document.write( "(d) The parabola opens downward and has a vertex in the 4th quadrant. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #539008 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=539008\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%3E0 ALIGN=MIDDLE  ALT=\"a%3E0\"   DISABLED_style= \"max-width:90%; height:auto;\" >, the parabola opens upwards.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h ALIGN=MIDDLE  ALT=\"h\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k ALIGN=MIDDLE  ALT=\"k\"   DISABLED_style= \"max-width:90%; height:auto;\" > are both less than zero so the vertex is in the 3rd quadrant.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );