document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=768170>Question 768170</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the info provided to write the standard form of each parabola. <BR>\n" );
document.write( "1) Vertex (-4,-6). Focus (-4,-49/8)\r<BR>\n" );
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document.write( "I'm working on my math summer assignment and I don't remember much about this topic. <BR>\n" );
document.write( "Thanks for your help.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #468136 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=468136\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Briefly, you can use the definition of a parabola.  The directrix is on the other side of the vertex than the focus.  From  -6.125, to -6.000, to -5.875, The directrix would be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-5.875 ALIGN=MIDDLE  ALT=\"y=-5.875\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-5%267%2F8 ALIGN=MIDDLE  ALT=\"y=-5%267%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "You use the distance formula, the focus, and the directrix, to find the set of points equally distant from the focus and the directrix. </SPAN>\n" );
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