document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=878549>Question 878549</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the equation of the parabola whose focus is (-1,2)and directrix is x-2y-15=0.<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 #530041 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</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=530041\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The set of points (x,y) must be equally distant from (-1,2) and from <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=2y%2B15 ALIGN=MIDDLE  ALT=\"x=2y%2B15\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  The general variable ordered pair for the directrix is (2y+15,y).\r<BR>\n" );
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document.write( "Going one step past the radical form of the distance formula expressions,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-%28-1%29%29%5E2%2B%28y-2%29%5E2=%28x-2y-15%29%5E2%2B%28y-y%29%5E2 ALIGN=MIDDLE  ALT=\"%28x-%28-1%29%29%5E2%2B%28y-2%29%5E2=%28x-2y-15%29%5E2%2B%28y-y%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B1%29%5E2%2B%28y-2%29%5E2=%28x-2y-15%29%5E2 ALIGN=MIDDLE  ALT=\"%28x%2B1%29%5E2%2B%28y-2%29%5E2=%28x-2y-15%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2B2x%2B1%2By%5E2-4y%2B4=x%5E2-4xy-30x%2B60y%2B225 ALIGN=MIDDLE  ALT=\"x%5E2%2B2x%2B1%2By%5E2-4y%2B4=x%5E2-4xy-30x%2B60y%2B225\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2B1%2By%5E2-4y%2B4=-4xy-30x%2B60y%2B225 ALIGN=MIDDLE  ALT=\"2x%2B1%2By%5E2-4y%2B4=-4xy-30x%2B60y%2B225\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2B1%2By%5E2-4y%2B4%2B4xy%2B30x-60y-225=0 ALIGN=MIDDLE  ALT=\"2x%2B1%2By%5E2-4y%2B4%2B4xy%2B30x-60y-225=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=32x-220%2By%5E2-4y%2B4xy-60y=0 ALIGN=MIDDLE  ALT=\"32x-220%2By%5E2-4y%2B4xy-60y=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2%2B4xy-4y-60y%2B32x-220=0 ALIGN=MIDDLE  ALT=\"y%5E2%2B4xy-4y-60y%2B32x-220=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2%2B4xy-64y%2B32x-220=0 ALIGN=MIDDLE  ALT=\"y%5E2%2B4xy-64y%2B32x-220=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y%5E2-64y%2B4xy%2B32x-220=0%29 ALIGN=MIDDLE  ALT=\"highlight%28y%5E2-64y%2B4xy%2B32x-220=0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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