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Which of the following has a constant of proportionality of 2?

A) y = 2 x
B) 2 y = x
C) y = x + 2
D) y + 2 = 2 x

Answer :

wegnerkolmp2741o

Answer:

A) y = 2 x

Step-by-step explanation:

The equation for direct variation is

y = kx where the constant of proportionality is k

y = 2x

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