document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=247923>Question 247923</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If y varies directly as the square of x and inversely as z, and if y = 144 when x = 8 and z = 4, find y when x = 4 and z = 6. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #180743 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=180743\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If y varies directly as the square of x and inversely as z, and if y = 144 when x = 8 and z = 4, find y when x = 4 and z = 6.<BR>\n" );
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document.write( "y = k[x^2/z]<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Find \"k\"<BR>\n" );
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document.write( "144 = k[8^2/4]<BR>\n" );
document.write( "144 = k[16]<BR>\n" );
document.write( "k = 9<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "y = 9[x^2/z]<BR>\n" );
document.write( "find y when x = 4 and z = 6<BR>\n" );
document.write( "y = 9[4^2/6]<BR>\n" );
document.write( "y = (3/2)(16)<BR>\n" );
document.write( "y = 24<BR>\n" );
document.write( "=================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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