document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=634613>Question 634613</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The value of c for which the vertex of the parabola y=x^2+6x+c will lie on the x-axis is _____? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #399737 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=399737\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=x^2+6x+9<BR>\n" );
document.write( "or<BR>\n" );
document.write( "y=(x+3)^2 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );