document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=528688>Question 528688</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the focal diameter of: -48(y-(-9))=(x-(-8))^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #349535 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=349535\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> what is the focal diameter of: -48(y-(-9))=(x-(-8))^2<BR>\n" );
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document.write( "By focal diameter I assume it is another name for focal width=4p.<BR>\n" );
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document.write( "-48(y-(-9))=(x-(-8))^2<BR>\n" );
document.write( "-48(y+9)=(x+8)^2<BR>\n" );
document.write( "(x+8)^2=-48(y+9)<BR>\n" );
document.write( "This is an equation of a parabola of the standard form: (x-h)^2=4p(y-k), with (h,k) being the (x,y) coordinates of the vertex.<BR>\n" );
document.write( "For given equation:<BR>\n" );
document.write( "Vertex: (-8,-9)<BR>\n" );
document.write( "Parabola opens downwards so parabola has a maximum<BR>\n" );
document.write( "Focal width=4p=48 </SPAN>\n" );
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