Question

Which of the following equations represents a direct proportional relationship?Y=4x Y=1/2x-1 Y=8/x Y=x+2/5

Answer 1

y = 4x

Explanation

Direct proportional relationships follow the next general formula:

`y=kx`

where k is the constant of proportionality.

From the given choices, only the next equation satisfies this formula:

`y=4x`

where k = 4.