Question

how to identify it is in direct proportion or in inverse proportion​

Answer 1

Answer:

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When two quantities x and yare in direct proportion (or vary directly), they are written as x ∝ y. Symbol “∝” stands for 'is proportional to'. When two quantities x and y are in inverse proportion (or vary inversely) they are written as x ∝ 1 y .

Answer 2

When two quantities x and yare in direct proportion (or vary directly), they are written as x ∝ y. Symbol “∝” stands for 'is proportional to'. When two quantities x and y are in inverse proportion (or vary inversely) they are written as x ∝ 1 y .

The equation for inverse proportion is x y = k or x = k/ y. Therefore, for finding the value of the constant k, you can use the known values and then use this formula to calculate all the unknown values.

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