document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=621117>Question 621117</A>: <I><SPAN STYLE=\"word-break: break-all;\"> given that y varies with x, write the linear function relating the two variables.\r<BR>\n" );
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document.write( "y=8 when x=72\r<BR>\n" );
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document.write( "how do i write the linear function.?<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 #390572 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=390572\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> given that y varies with x, write the linear function relating the two variables.<BR>\n" );
document.write( "y=8 when x=72<BR>\n" );
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document.write( "When you see \"y varies directly with x\" think<BR>\n" );
document.write( "y = kx<BR>\n" );
document.write( "to find 'k' plug in the given values of x and y and solve for k:<BR>\n" );
document.write( "8 = k(72)<BR>\n" );
document.write( "8/72 =k<BR>\n" );
document.write( "1/9 = k<BR>\n" );
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document.write( "Answer then is:<BR>\n" );
document.write( "y = (1/9)x  (this is what they're looking for)\r<BR>\n" );
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