document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=618635>Question 618635</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Direct and Indirect Variation. I do not understand how to solve this or any problems such as these. \r<BR>\n" );
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document.write( "y varies directly with x. y =15 when x=4. what is the value of y when x=5\r<BR>\n" );
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document.write( "or y varies inversely with x y=8 when x=8. 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 #389012 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10555)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=389012\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Direct and Indirect Variation. I do not understand how to solve this or any problems such as these. \r<BR>\n" );
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document.write( "y varies directly with x. y =15 when x=4. what is the value of y when x=5\r<BR>\n" );
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document.write( "or y varies inversely with x y=8 when x=8. what is the value of y when x=4 \r<BR>\n" );
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document.write( "Direct<BR>\n" );
document.write( "y = kx\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15+=+k%284%29 ALIGN=MIDDLE  ALT=\"15+=+k%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ----- Substituting 15 for y, and 4 for x\r<BR>\n" );
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document.write( "4k = 15\r<BR>\n" );
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document.write( "k (constant of variation) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15%2F4 ALIGN=MIDDLE  ALT=\"15%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "y = kx\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+%2815%2F4%29+%2A5 ALIGN=MIDDLE  ALT=\"y+=+%2815%2F4%29+%2A5\"   DISABLED_style= \"max-width:90%; height:auto;\" > ----- Substituting <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15%2F4 ALIGN=MIDDLE  ALT=\"15%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > for k, and 5 for x\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28y+=+75%2F4%29 ALIGN=MIDDLE  ALT=\"highlight_green%28y+=+75%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%2818%263%2F4%29 ALIGN=MIDDLE  ALT=\"highlight_green%2818%263%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Inverse or Indirect<BR>\n" );
document.write( "y = k/x\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8+=+k%2F8 ALIGN=MIDDLE  ALT=\"8+=+k%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" > ----- Substituting 8 for y, and 8 for x\r<BR>\n" );
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document.write( "k (constant of variation) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=64 ALIGN=MIDDLE  ALT=\"64\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "y = k/x\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+64%2F4 ALIGN=MIDDLE  ALT=\"y+=+64%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > ----- Substituting 64 for k, and 4 for x\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28y+=+16%29 ALIGN=MIDDLE  ALT=\"highlight_green%28y+=+16%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Send comments and “thank-yous” to “D” at  MathMadEzy@aol.com </SPAN>\n" );
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