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inverse proportion

Inverse Variation
Inverse Proportion
Inversely Proportional

A relationship between two variables in which the product is a constant. When one variable increases the other decreases in proportion so that the product is unchanged.

If b is inversely proportional to a, the equation is of the form b = k/a (where k is a constant).

 

Equation: y = 60/x

y is inversely proportional to x.

Doubling x causes y to halve. The product of x and y is always 60.

xy
320
610
125

 

 

See also

Direct variation, joint variation, gravity

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