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The value of y varies directly with the value of x, and y = –21 when x = 3.


Which equations represent the relationship between y and x?


Choose exactly two answers that are correct.

A-7x = y


By/x = -7


Cx/y = 7


Dxy = 7

Verified Answer :

Sancak19o7

\(y=-21~~~~~x=3 \\ \\ a)-7x=-7*x\rightarrow-7*3=-21~~(\boxed{\checkmark})~~because~~\boxed{y=-21}\\ \\ b) \frac{y}{x} =-7~~~~~ \rightarrow \frac{-21}{3}=-7 ~~ (\boxed{\checkmark})\)

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