spencer2002
spencer2002
19-10-2016
Mathematics
contestada
is y=-9x a direct variation?
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tessasue
tessasue
19-10-2016
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.
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