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how do i find the constant of variation in the 4 types of variations?
namely direct, inverse ,joint and combined
and what are the equations of these four types of variation?
1 Answer
- Anonymous1 decade agoFavorite Answer
If x is the argument (indep var) and y, z are variables that depend on x, then:
Direct: k = y/x
Inverse: k = xy
Joint: I'm assuming you mean that y AND z vary directly as x, or xk = yz, then, k = yz/x
Combined: (is that direct to y and inverse to z?) If it is, then:
xk = (y/z), and so, k = (xy/z)