document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1004379>Question 1004379</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If y varies directly as the square of x and y=-54 when x=9, then y=-1 1/3 when x=6.<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 #620863 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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/cgi-bin/show-face.mpl?user=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=620863\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We write this as<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+kx%5E2 ALIGN=MIDDLE  ALT=\"y+=+kx%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Use the facts to find k...<BR>\n" );
document.write( "-54 = k(9^2)<BR>\n" );
document.write( "-54 = 81k<BR>\n" );
document.write( "k = -54/81 = -2/3<BR>\n" );
document.write( "Thus the relationship is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+%28-2%2F3%29x%5E2 ALIGN=MIDDLE  ALT=\"y+=+%28-2%2F3%29x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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