document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1120460>Question 1120460</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A SEARCHLIGHT HAS A PARABOLIC REFLECTOR (HAS A CROSS SECTION THAT FORMS A BOWL) THE PARABOLIC BOWL IS 16 INCHES WIDE FROM RIM TO RIM AND 12 INCHES DEEP. THE FILAMENT OF THE LIGHT BULB IS LOCATED AT THE FOCUS. WHAT IS THE EQUATION OF THE PARABOLA USED FOR THE REFLECTOR? HOW FAR FROM THE VERTEX IS THE FILAMENT OF THE LIGHT BULB?<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 #736157 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=736157\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Middle of the dish sits on origin of cartesian system.  Cross section may be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=ax%5E2 ALIGN=MIDDLE  ALT=\"y=ax%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and three points are  (0,0), (8,12), and (-8,12).\r<BR>\n" );
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document.write( "FOCUS AND LOCATION OF BULB\r<BR>\n" );
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document.write( "p, distance from vertex to bulb\r<BR>\n" );
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document.write( "Bulb is  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%261%2F3 ALIGN=MIDDLE  ALT=\"1%261%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > inches above the vertex or middle point of the satellite dish, in the concave region. </SPAN>\n" );
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