document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=303085>Question 303085</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The ordered pairs are for a direct variation. Find the missing value. I know that the direct variation form is y=kx but I'm not sure how to use it to find the missing value of the ordered pair.<BR>\n" );
document.write( "(3,4) and (9,y)<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 #217224 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathematicians><B>Mathematicians(84)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathematicians><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=Mathematicians><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=217224\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hmm interesting, the way I see this can be done is:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3k+=+9 ALIGN=MIDDLE  ALT=\"3k+=+9\"   DISABLED_style= \"max-width:90%; height:auto;\" > X coordinates\r<BR>\n" );
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document.write( "and \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4k+=+y%7D%7D+Y+coordinates+%0D%0A%0D%0AFrom+the+first+equation%2C+we+find+that%3A%0D%0A%0D%0A%7B%7B%7Bk+=+3 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Then from the second equation, we find that:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%284+%2A+3+=+12+=+y%29 ALIGN=MIDDLE  ALT=\"highlight%284+%2A+3+=+12+=+y%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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