document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=38335>Question 38335</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the equation for the parabola with focus (1,4) and directrix x=-3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #23811 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=23811\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the point in the middle of the focus and the dirextrix (the vertex) is (1,.5)<BR>\n" );
document.write( "where p is 3.5 and the equation is p=1/4a<BR>\n" );
document.write( "so 3.5=1/4a<BR>\n" );
document.write( "ao a=1/14<BR>\n" );
document.write( "standard form: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=a%28x-h%29%5E2%2Bk ALIGN=MIDDLE  ALT=\"y=a%28x-h%29%5E2%2Bk\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%281%2F14%29%28x-1%29%5E2%2B.5 ALIGN=MIDDLE  ALT=\"y=%281%2F14%29%28x-1%29%5E2%2B.5\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );