Question

Given y=4/7x−1

, what is the constant of proportionality?

Answers:
A.4/7
B. this is not a direct proportion.
C. 4
D. -1

Answer 1

A

Explanation:

4/7 is the coefficient behind x

Answer 2

B

Explanation:

if y is directly proportional to x then the equation relating them is

y = kx ← k is the constant of proportionality

y =
`(4)/(7)` x - 1 ← is not in this form

thus is Not a direct proportion