Question

Identify the function in which y varies directly with x.

y = 0.5x



y = 0x



y = 4x + 1



y = 2x – 7

confused on if its A or B

Answer 1

A.

Explanation:

B. y = 0x =0, or y =0, y is a constant.

A. y = 0.5x, in general from y = kx. It is the direct variation.