document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1080791>Question 1080791</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Locate the standard form of the equation of the parabola which has the foci (8, -2) and directrix <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+4 ALIGN=MIDDLE  ALT=\"x+=+4\"   DISABLED_style= \"max-width:90%; height:auto;\" > Sketch the parabola. Thanks a lot.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #694910 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=694910\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Vertex is at  (6,-2).<BR>\n" );
document.write( "Distance from vertex to either focus or directrix is 2 units, and parabola concave to the right.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2A2%28x-6%29=%28y%2B2%29%5E2 ALIGN=MIDDLE  ALT=\"4%2A2%28x-6%29=%28y%2B2%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%288%28x-6%29=%28y%2B2%29%5E2%29 ALIGN=MIDDLE  ALT=\"highlight_green%288%28x-6%29=%28y%2B2%29%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, one form of equation for the parabola\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-6=%281%2F8%29%28y%2B2%29%5E2 ALIGN=MIDDLE  ALT=\"x-6=%281%2F8%29%28y%2B2%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%281%2F8%29%28y%2B2%29%5E2%2B6 ALIGN=MIDDLE  ALT=\"x=%281%2F8%29%28y%2B2%29%5E2%2B6\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%281%2F8%29%28y%5E2%2B4y%2B4%29%2B6 ALIGN=MIDDLE  ALT=\"x=%281%2F8%29%28y%5E2%2B4y%2B4%29%2B6\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%281%2F8%29y%5E2%2B%281%2F2%29y%2B1%2F2%2B6 ALIGN=MIDDLE  ALT=\"x=%281%2F8%29y%5E2%2B%281%2F2%29y%2B1%2F2%2B6\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=%281%2F8%29y%5E2%2B%281%2F2%29y%2B6%261%2F2%29 ALIGN=MIDDLE  ALT=\"highlight%28x=%281%2F8%29y%5E2%2B%281%2F2%29y%2B6%261%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, another form of the equation\r<BR>\n" );
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