Question

Which equation represents a proportional relationship? A.y=5x+1

B.y=1/5x
C.y= -5(x+1)
D.y= -x

Answer 1

Option B is correct.
`y=(1)/(5) x`

Explanation:

Going by the proportionality's definition:

`y` is proportional to
`x`, if:

`y =kx`

Therefore, for
`k=(1)/(5)`,

The equation
`y=(1)/(5) x` represents a proportional relationship.