document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=121202>Question 121202</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have to find the line of symmetry equation for a graph.  The equation was vertex is (-2,-9) and minimum parabola.  Can you help me to find the equation for this line of symmetry?<BR>\n" );
document.write( "The equation was:<BR>\n" );
document.write( "     x(sq)+4x-5=0\r<BR>\n" );
document.write( "\n" );
document.write( "There is no ISBN number on this it is an online course. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #88948 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=88948\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the axis of symmetry passes through the vertex\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "since the x is the squared variable, the axis of symmetry is parallel to the y-axis\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "so the equation is x=-2\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "for the general expression ax^2+bx+c, the equation for the axis of symmetry is x=-b/(2a) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );