document.write( "Question 337473: The instructions states that y varies inversely with x, use the specified values to write an inverse variation equation that relates x and y, then find y when x=18. The questions are x=6,y=9 and x=2/3,y=12, how do i find the answers to these questions and what is a inverse variation equation? \n" ); document.write( "

Algebra.Com's Answer #242065 by Fombitz(32388) $\"\"$ $\"About$

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There is direct variation, where $\"y=kx\"$
\n" ); document.write( "and there is inverse variation, where $\"y=k%2Fx\"$ or $\"xy=k\"$
\n" ); document.write( "So then solve for each k.
\n" ); document.write( " $\"xy=k\"$
\n" ); document.write( " $\"6%2A9=k\"$
\n" ); document.write( " $\"k=54\"$
\n" ); document.write( " $\"xy=54\"$ or $\"y=54%2Fx\"$
\n" ); document.write( "Complete the second one the same way. \n" ); document.write( "

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