document.write( "Question 102185: I cannot find \r
\n" ); document.write( "\n" ); document.write( "If y varies directly as x, and x is halved, how is y changed?
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Algebra.Com's Answer #74559 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
direct variation means that what happens to one variable also happens to the other\r
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\n" ); document.write( "\n" ); document.write( "the general equation is y=kx, where k is the \"constant of variation\"\r
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\n" ); document.write( "\n" ); document.write( "solving for k gives k=y/x\r
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\n" ); document.write( "\n" ); document.write( "since k is constant; if x is halved, y must also be halved to maintain the constant
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