document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=981054>Question 981054</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (x-4)^2=8(y+3)<BR>\n" );
document.write( "whats its focus, vertex, and directrix? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #602081 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=602081\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A derivation for a parabola equation with horizontal axis of symmetry can be shown as  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4py=x%5E2 ALIGN=MIDDLE  ALT=\"4py=x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  If moved from standard position, the equation is of a form,  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4p%28y-k%29=%28x-h%29%5E2 ALIGN=MIDDLE  ALT=\"4p%28y-k%29=%28x-h%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > with vertex  (h,k).  The distance from vertex to either focus or directrix is |p|.\r<BR>\n" );
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document.write( "Review the formal descriptive definition of a parabola and associated terminology.\r<BR>\n" );
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document.write( "The vertex for your parabola is (4,-3) and the parabola is concave upward. </SPAN>\n" );
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