Question

The following set of ordered pairs is an example of direct variation, find the constant ratio between the variables. (Hint: Find k.)
(2, 4) (5, 10) (7, 14) (11, 22)

A. k=2
B. k=8
C. k=-2
D. k= 1/2

Answer 1

Use formula y = k x and find value of k using any of the coordinates