If a line contains the point (0, -1) and has a slope of 2, then which of the following points also lies on the line?

Question

(0, 1)
(1, 1)
(2, 1)

Answer 1

the change in y has to be twice the change in x.
Looks like (1,1), since (1,1) = (0+1, -1+2)