Question

Which equation shows a direct proporitonal relationship between the two variables, x and y? A y = 2x B y = 2 + x C y = 2 - x D y = 2÷x

Answer 1

A

Explanation:

the equation of a proportional relationship has the form

y = kx ( k is the constant of proportion )

the only equation in this form is

y = 2x → A