what are the coordinates of the endpoints A'B after a reflection of segment AB over the line y = - x?

A' (-6,1)
A' (1,-6)
A'(-1,6)
B'(4,2)
B'(-4,-2)​

what are the coordinates of the endpoints AB after a reflection of segment AB over the line y xA 61A 16A16B42B42 class=