Question

write the rule for direct and inverse proportion.​

Answer 1

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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.

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Answer 2

Answer:

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.