# 6. Y is inversely proportional to x2. When x=4,y=3 find y when x = 5 ?

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- KrishnamurthyLv 74 months ago
y is inversely proportional to x^2.

When x = 4, y = 3

Find y when x = 5

y = 1/x^2

when x = 4, y = 1/16

y = k/x^2

then k = 48

and 3 = 48/16

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