Suppose that y is directly proportional to x, and y = 1/4 when x = 3. What is the constant of proportionality? A) 1/12 B) 1/3 C) 3 D) 12
Mathematics · Middle School · Tue Nov 03 2020
llm
Answered on
Given :
y is directly proportional to x
y ∝ x
y = kx
Where k is a constant term.
We have, y = 1/ 4 and x = 3
So, 1/ 4 = k (3)
K = 1/12
Thus, Option (A) is correct.