I’m finna go with D
Explanation: cause it sounds right
The y-difference between the points is 5-(-6) = 11. One-fifth of that is 11/5 = 2.2. Adding that to the y-value of point X means ...
... the y-value of point Y is -6+2.2 = -3.8
Now that the decimal has been removed two places you can divide as if it was a regular division problem.