document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=41626>Question 41626</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A variable z varies jointly with x and the square of y.  If z = 6 when x = 4 and y = 3, write the equation of joint variation. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #26892 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=26892\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A variable z varies jointly with x and the square of y. If z = 6 when x = 4 and y = 3, write the equation of joint variation.<BR>\n" );
document.write( "Z=K*X*Y^2<BR>\n" );
document.write( "Z=6...X=4...Y=3..HENCE<BR>\n" );
document.write( "6=K*4*3^2=36K<BR>\n" );
document.write( "K=6/36=1/6<BR>\n" );
document.write( "HENCE <BR>\n" );
document.write( "Z=(X*Y^2)/6 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );