Question

What is the constant of proportionality in the equation У= x/9?

A. 0
B. 1/9
C. 8/9
D. 1

Answer 1

B. 1/9

Explanation:

y = kx,

k is the constant of proportionality

y = x/9

y = (1/9)x

k = 1/9

Answer 2

B. 1/9

Explanation:

Formula: y = x / 9

y = kx

Y varies spot on with x and k. The constant is 1/9.

Let's Create a Table:

y | x

_____

0 | 0

1 | 9

If x = 1, then y(1) = 1/9.

I hope this helped !