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Direct Proportion

When two quan...

Question

Question 19

When two quantities x and y are in_proportion or vary_, they are written as $x \propto y . .$

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Solution

When two quantities x and y are in direct proportion or vary directly, they are written as $x \propto y .$ [see definition of direct proportion]

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Question 20

When two quantities x and y are in ___proportion or vary ___, they are written as $x \propto \frac{1}{y}$ .

Question 19

When two quantities x and y are in___proportion or vary___, they are written as $x \propto y . .$

Two quantities x and y are said to vary in inverse proportion, if there exists a relation of the type xy = k between them, k being a constant.

y

x

x^{2}

y = 19

x = 2

3

y

x

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