document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=897694>Question 897694</A>: <I><SPAN STYLE=\"word-break: break-all;\"> With vertex (2, -3) and directrix y=-7... What is the equation of the parabola? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #544234 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=544234\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> With vertex (2, -3) and directrix y=-7... What is the equation of the parabola?<BR>\n" );
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document.write( "basic form of equation for a parabola that opens up as in this case:<BR>\n" );
document.write( "(x-h)^2=4p(y-k), (h,k)=coordinates of vertex<BR>\n" );
document.write( "For given parabola:<BR>\n" );
document.write( "vertex:(2,-3<BR>\n" );
document.write( "axis of symmetry: x=2 <BR>\n" );
document.write( "p=4(distance from directrix to vertex on the axis of symmetry)<BR>\n" );
document.write( "4p=16<BR>\n" );
document.write( "equation: (x-2)^2=16(y+3) </SPAN>\n" );
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