Answer:
See explanation
Step-by-step explanation:
Assuming the given equation is

To solve for r, we first divide both sides by a.

We now subtract 5 from both sides:

We now divide through by - 1 to get:

Or

If the figure is in quadrant 2, rotating it 270° (that is, 3 quadrants) counter clockwise will move the figure to the 3rd quadrant, then to the 4th quadrant, then to the 1st quadrant.
So the resulting quadrant is the 1st (Quadrant I).