document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=932180>Question 932180</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write an equation in the form y = a(x – h)2 + k for a parabola with focus (0, 5) and directrix y = -3. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #566097 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=566097\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write an equation in the form y = a(x – h)2 + k for a parabola with focus (0, 5) and directrix y = -3.<BR>\n" );
document.write( "***<BR>\n" );
document.write( "Given parabola opens upward:<BR>\n" );
document.write( "Basic form of equation: (x-h)^2=4p(y-k)<BR>\n" );
document.write( "vertex: (0,1)(midway between focus and directrix on the axis of symmetry)<BR>\n" );
document.write( "axis of symmetry: y=0 or x-axis<BR>\n" );
document.write( "p=4 (distance from vertex to focus or directrix on the axis of symmetry<BR>\n" );
document.write( "4p=16<BR>\n" );
document.write( "equation: (x)^2=16(y-k)<BR>\n" );
document.write( "x^2/16=y-1<BR>\n" );
document.write( "y=(1/16)x^2+1 </SPAN>\n" );
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