Question

The point (–3, 5) has been reflected so that the image is at (5, –3). What is the line of reflection?

Answer 1

40 degree angle and if you got the question that asks what (-3, 5) reflects over is it this:

Explanation:

Answer 2

Since the x and y coordinates have simply been swapped, the point has been rotated about a 45° line, or if you prefer it has been rotated about the line y=x