document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=177945>Question 177945</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A quadratic function has a vertex(-3,0) and opens down. What is the nature of the roots?<BR>\n" );
document.write( "a) imaginary and equal<BR>\n" );
document.write( "b) imaginary and unequal<BR>\n" );
document.write( "c) real and equal<BR>\n" );
document.write( "d) real and unequal </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #132908 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=132908\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> c<BR>\n" );
document.write( "x=-3 is the only zero for the parabola<BR>\n" );
document.write( "(x+3)^2=0<BR>\n" );
document.write( "x^2+6x+9=0 is a possible quadratic equation but it is open at the top.<BR>\n" );
document.write( "-(x+3)^2=0<BR>\n" );
document.write( "-x^2-6x-9=0 is a correct equation<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28500%2C500%2C-10%2C10%2C-10%2C10%2C-x%5E2-6x-9%29 ALIGN=MIDDLE  ALT=\"graph%28500%2C500%2C-10%2C10%2C-10%2C10%2C-x%5E2-6x-9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );