document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=329444>Question 329444</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If y varies inversely as the square of x and y = 1 when x = 2, what is the value of y when x = -4? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #236151 by </B><A HREF=/tutors/aboutme.mpl?userid=nyc_function><B>nyc_function(2741)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nyc_function><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=nyc_function><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=236151\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y = k/x^2\r<BR>\n" );
document.write( "\n" );
document.write( "We need to find k first.\r<BR>\n" );
document.write( "\n" );
document.write( "Let y = 1, when x = 2 to find k.\r<BR>\n" );
document.write( "\n" );
document.write( "1 = k/(2)^2\r<BR>\n" );
document.write( "\n" );
document.write( "1 = k/4\r<BR>\n" );
document.write( "\n" );
document.write( "1*4 = k\r<BR>\n" );
document.write( "\n" );
document.write( "4 = k\r<BR>\n" );
document.write( "\n" );
document.write( "We now need to find y when k = 4 and x = -4.\r<BR>\n" );
document.write( "\n" );
document.write( "y = k/x^2\r<BR>\n" );
document.write( "\n" );
document.write( "y = 4/(-4)^2\r<BR>\n" );
document.write( "\n" );
document.write( "y = 4/16\r<BR>\n" );
document.write( "\n" );
document.write( "y = 1/4\r<BR>\n" );
document.write( "\n" );
document.write( "Done! </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );