Is y=-9x a direct variation?

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asked Oct 19, 2017 54.1k views

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Billyonecan · Answer 1 · 2017-10-23T13:42:17+0000

Yes. Direct variations are equations that are directly proportional. In this case, for every -9 x's, there is one y. You can multiply and simplify both sides of the equation by the same thing and the proportion will still be y = -9x.

Is y=-9x a direct variation?

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