Question

does the data on the table represent a direct variation or an inverse variation?
X 1 | 2 | 5 | 10
Y 40 | 20 | 8 | 4

A. direct variation; y=40x
B. direct variation; y=1/40x
C. inverse variation; xy=40
D. inverse variation; xy=1/40

Answer 1

if the numbers are getting smaller consistently, it is almost always a inverse variation.

Answer 2

Just plugging and testing each point in each of your answers will give you the clear answer

Answer 3

Thank you !