document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=982005>Question 982005</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the standard form of the equation of the parabola with a focus at (-4, 0) and a directrix at x = 4.\r<BR>\n" );
document.write( "\n" );
document.write( "	a. y^2 = -8x	<BR>\n" );
document.write( "	b. 16y = x^2	<BR>\n" );
document.write( "	c. y =   x^2	<BR>\n" );
document.write( "	d. x =   y^2\r<BR>\n" );
document.write( "\n" );
document.write( "I tried to solve this problem and got y^2= -16 but thats not an answer choice. Please help! Is it y^2 = -8x? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #602875 by </B><A HREF=/tutors/aboutme.mpl?userid=AnlytcPhil><B>AnlytcPhil(1806)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=AnlytcPhil><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=AnlytcPhil><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=602875\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "Hello, I think the correct answer is not listed.  Sometimes books and computer\r\n" );
document.write( "modules have errors.  You are almost right with your y^2 = -16 but you left off\r\n" );
document.write( "something.  What was it?\r\n" );
document.write( "\r\n" );
document.write( "Phil\r\n" );
document.write( "</PRE> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );