Question

Which of the following does not lie on the graph of y = 2x - 2?

(-1/2,-3)
(12.1)
(-1,-4)

Answer 1

(1/2,1)

Explanation:

(-1/2,3) and (-1,-4) both fall on the line of y=2x-2. (1/2,1) does not fall on the line.

Answer 2

(-1,-4) plug it into the calculator on the graph and you’ll find your answer