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21 votes
21 votes
20. Is the following an example of direct variation? If so what is the constant of variation? 7y = x

User Yaris
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1 Answer

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Direct variations have the form y = kx, where k is the constant of proportionality. Let's solve the given expression for y


y=(x)/(7)

As you can observe, the given equation is a direct variation, which constant is k = 1/7.

User Mloar
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