document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=189898>Question 189898</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the coordinates of the vertex<BR>\n" );
document.write( "y=3x^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #142484 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=142484\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "The vertex form of a parabola is:<BR>\n" );
document.write( "y= a(x-h)^2+k<BR>\n" );
document.write( "where<BR>\n" );
document.write( "(h, k) is the vertex<BR>\n" );
document.write( ".<BR>\n" );
document.write( "In your case, they gave you:<BR>\n" );
document.write( "y=3x^2<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Rewritten in \"vertex form\" we have\"<BR>\n" );
document.write( "y=3(x-0)^2 + 0<BR>\n" );
document.write( "Therefore, the vertex is at (0,0)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );