Answer:
The point that would map onto itself after a reflection across the line is (-4, 0)
Step-by-step explanation:
Given the points:
(-4, 4), (-4, 0), (0, -4) and (4, 4)
The point that would map onto itself after a reflection across the line:
y = -x
is (-4, 0)
because it is the point in the line y = -x