Is y=5 a direct variation and if so, what is the constant?

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Answer 1 · 2017-11-02T20:35:13

It is not a direct variation. See explanation.

The direct variation is a situation when a quotient of 2 variables is constant:

$\frac{y}{x} = a$ $y/x=a$

or in other form:

In the given example the second variable is always $5$ $5$ , no matter what $x$ $x$ is, so it is not a direct variation.