document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=917653>Question 917653</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In this problem, the direct variation being represented is:<BR>\n" );
document.write( "9y+4x=3.5<BR>\n" );
document.write( "The problem also wants me to figure out the constant of variation.<BR>\n" );
document.write( "I know the formula for a direct variation is y/x = k or y = kx<BR>\n" );
document.write( "I also know that the constant of variation is k, but I am not sure how to find the constant variation of this problem.<BR>\n" );
document.write( "Thank you! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #556739 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=556739\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Purely academic experience helps to understand Variation and Linear Equations containing a Constant Term to be separate and usually not usually coordinated with each other.\r<BR>\n" );
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document.write( "Your given equation can be solved for y in terms of x.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-%284%2F9%29x%2B3.5%2F9 ALIGN=MIDDLE  ALT=\"y=-%284%2F9%29x%2B3.5%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "This shows a RATE relating change of y to change of x.  For the given equation, this rate is a slope, or a constant, but one would not think of it as a proportionality constant for Direct nor Indirect Variation.\r<BR>\n" );
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document.write( "I have never seen direct nor indirect variation including any constant TERM.  Direct and indirect variation is always treated as a separate topic from the study of equations for lines; although any such y=kx still does represent a line; but y=k/x  does NOT represent a line.\r<BR>\n" );
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document.write( "Have you an exercise problem that expects you to relate direct or indirect variation to a linear equation in standard form which includes a constant TERM?  The exercise is confusing two very separate topics. </SPAN>\n" );
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