document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=689194>Question 689194</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have to find the coordinates of the vertical and the equation of the axis of symmetry for the parabola given by the q<BR>\n" );
document.write( "Equation ;<BR>\n" );
document.write( "Y= -1/4 x squared -1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #425958 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=425958\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the coordinates of the vertex and the equation of the axis of symmetry for the parabola given.<BR>\n" );
document.write( "Y= -1/4 x squared -1<BR>\n" );
document.write( "y=-(1/4)x^2-1<BR>\n" );
document.write( "4y=-x^2-4<BR>\n" );
document.write( "x^2=-4y-4<BR>\n" );
document.write( "x^2=-4(y+1)<BR>\n" );
document.write( "This is an equation of a parabola that opens downwards<BR>\n" );
document.write( "Its standard form: (x-h)^2=-4p(y-k), (h,k)=(x,y) coordinates of vertex<BR>\n" );
document.write( "For given equation:x^2=-4(y+1)<BR>\n" );
document.write( "vertex: (0,-1)<BR>\n" );
document.write( "axis of symmetry: x=0 or y-axis </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );