What is the constant of proportionality in the equation of change $y = k x$ ?

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1:k

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\frac{1}{k}

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k:1

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Solution

The correct option is A k
When $y$ is always $x$ multiplied by a fixed number (say $k$ ), then we write the equation of change as $y = k x$ . Thus, the constant of proportionality in the given equation is $k$ .

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