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What is the variation constant for an inverse squared relationship where we know x = –4 and y = 3?

A. 16
B. 48
C. –16
D. –48

Respuesta :

lukadallenbach

Let the constant be k.

For an inverse squared proportion the formula is y = k/x^2

Insert values of y and x into the formula.

3 = k/(-4)^2

3(-4)^2 = k

k = 3(16)

k = 48

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