paigeleahfarbeoy2ork paigeleahfarbeoy2ork

09-02-2018
Mathematics

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The variable y varies directly with x^2 and y=72 when x=3

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tn0982p46cab tn0982p46cab

22-02-2018

y=kx^2 (k being a constant)

72=k (3^2)
k=8

y=8x^2

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