document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=754005>Question 754005</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the equation of the parabola whose vertex = (4,-6) and focus is (6, -6) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #467960 by </B><A HREF=/tutors/aboutme.mpl?userid=DSMLMD><B>DSMLMD(16)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=DSMLMD><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=DSMLMD><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=467960\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Vertex (4,-6) and Focus at (6,-6)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Because the y-vertex and y-focus is same, the equation of parabola is:<BR>\n" );
document.write( "(y - b)^2 = 4p(x - a)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Vertex:<BR>\n" );
document.write( "(4,-6)<BR>\n" );
document.write( "(a,b)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Focus Point:<BR>\n" );
document.write( "(6,-6)<BR>\n" );
document.write( "((p+a),b)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "If<BR>\n" );
document.write( "b = -6<BR>\n" );
document.write( "a = 4\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "then,<BR>\n" );
document.write( "p + a<BR>\n" );
document.write( "6 = p + 4<BR>\n" );
document.write( "2 = p\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "the parabola equation is:<BR>\n" );
document.write( "(y - b)^2 = 4p(x - a)<BR>\n" );
document.write( "(y - (-6))^2 = 4(2)(x - 4)<BR>\n" );
document.write( "(y + 6)^2 = 8(x - 4) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );