document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1091792>Question 1091792</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Parabola\r<BR>\n" );
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document.write( "A satellite dish has a shape of paraboloid. The signals that it receives is reflected to the receiver that is located at the focus of the paraboloid. If dish is 8 feet across at its opening and 1 foot deep at its vertex, determine the location (distance from the vertex of the dish) of its focus.\r<BR>\n" );
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document.write( "Please help. Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #706379 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=706379\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (4,1) point on rim, \"across\"<BR>\n" );
document.write( "(0,0) vertex point, minimum<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=1%2F16 ALIGN=MIDDLE  ALT=\"a=1%2F16\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%281%2F16%29x%5E2 ALIGN=MIDDLE  ALT=\"y=%281%2F16%29x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16y=x%5E2 ALIGN=MIDDLE  ALT=\"16y=x%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=4d=16 ALIGN=MIDDLE  ALT=\"4d=16\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=4 ALIGN=MIDDLE  ALT=\"d=4\"   DISABLED_style= \"max-width:90%; height:auto;\" >--------Focus is 4 foot from the vertex, on the concave side.\r<BR>\n" );
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document.write( "(fixed) </SPAN>\n" );
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