Determine whether why varies directly with x. if so, find the constant of variation k and write the equation. x 4, 7,10, 13 y 6.4, 11.2, 16, 20.8

The ratio of the y-value to the x-value is the same in every case (1.6), so the variation is direct and the constant (k) is 1.6.

Multiplying the above equation by x, you get

... y = 1.6x

answer:

sometimes

*i think

33

step-by-step explanation: g=6