Answer:
Q+ (5,-5)
Explanation:
If the point is to be moved 5 units down, it means that its 'y' coordinate must be subtracted 5.
Same thing happens with x coordinate, it is moved 5 units to right, it meas that its 'x' coordinate must be summed with 5.
The whole operation can be written as the following addition:
Q + (5,-5)