Algebra homework

Question

Which of the following does NOT represent a linear relationship?

A. y=2x+7

B. y=2x-6/5

C. 3y-4x+5=0

D. y=5/2x-6

Answer 1

Answer is D, because of the 5/2x term. The x must be on top. A through C are all equations of straight lines (hence "linear"), but D is a very curved line.