document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=370311>Question 370311</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the equation of a parabola with a vertex at (5,2) and a directrix y=1? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #263956 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=263956\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The focus must be (5,3), and c = 1 (distance between the focus and vertex).  Therefore the equation is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%28y-2%29+=+%28x+-+5%29%5E2 ALIGN=MIDDLE  ALT=\"4%28y-2%29+=+%28x+-+5%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+%281%2F4%29%2A%28x+-+5%29%5E2%2B2 ALIGN=MIDDLE  ALT=\"y+=+%281%2F4%29%2A%28x+-+5%29%5E2%2B2\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );