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Is this an example of direct variation? f(x)=2xy
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Is this an example of direct variation? f(x)=2xy

User Abi
by
7.8k points

1 Answer

4 votes

Answer:

Yes, it is:

Explanation:

Given


f(x) =2xy

Required

Determine if it is a direct variation

A direct variation is represented as:


f(x)\ \alpha\ x

Express as equation


f(x) = kx

Compare
f(x) = kx to
f(x) =2xy


k = 2y

Hence, it is a direct variation

User Nathan Werth
by
7.9k points
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