Question

Find the image of (1,2) after a
reflection about y = x followed by a
reflection about y = -x.
([?], [])
Enter the number that belongs in
the green box.

Answer 1

Answer: (-1, -2)

Step-by-step explanation:

so at first you have (1, 2)

then you were asked to reflect about y=x which is (x, y) = (y, -x)

(1, 2) = (2, -1)

then followed by y=-x which is (x, y) = (-y, -x)

(2, -1) = (-1, -2)