Does the data in the table represent a direct variation or an inverse variation? Write an equation to model the data in the table.

x : 2 4 8 12

y : 10 5 5/2 5/3

A) direct variation; y = 20/x

B) inverse variation; xy = 20

C) direction variation; y = 20x

D) inverse variation; y/x = 20

Question

25 April, 08:40

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Helen Orr · Answer 1

B) xy=20

Inverse because it is of the form y=k/x, intuitively you can see that as x increases y decreases, hence "inverse variation".

Does the data in the table represent a direct variation or an inverse variation? Write an equation to model the data in the table.x : 2 4 8 12y : 10 5 5/2 5/3A) direct variation; y = 20/xB) inverse variation; xy = 20C) direction variation; y = 20xD) inverse variation; y/x = 20