Question

(x,y) (7,11) (8,13) (9,15) (10,17) Determine whether y varies directly with x. If so, find the constant of variation k and write the equation.

Answer 1

no direct variation

Explanation:

The y/x ratio varies, so the variation is not direct.

11/7 ≠ 13/8 ≠ 15/9 ≠ 17/10