document.write( "Question 619750: Write a equation based upon the given information (Remember to write an equation that represents all of the possibilities for the variables not just one point)
\n" ); document.write( "Question: C varies directly as the square of M. C=18 when M=3
\n" ); document.write( " For my answer I put C=KM^2, 18=K3^2
\n" ); document.write( "But only got half the points and cant figure out why. \r
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Algebra.Com's Answer #389778 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Hi,
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document.write( "C varies directly as the square of M. C=18 when M=3
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document.write( " C = kM^2   Yes!
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document.write( " 18 = 9k
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document.write( "  2 = k  || k = 2 is the constant of the direct proportion
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document.write( "for Ex
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