Hi,
(X,Y)
All of the X coordinates stay the same on each option and the only one that changes is the y coordinate.
So, calculate the change in the y coordinate of the two pairs.
A. 4 to 7 = 3 Units
B. 4 to 8 = 4 Units
C. 1 to 2 = 1 Unit
D. 3 to 1 = 2 Units
Therefore the correct answer is A
