Question

The coordinates of the vertices of triangle ABC are given in the table. A B C (4,2)(4,2) (6,7)(6,7) (13,1)(13,1) Triangle ABC is reflected across y=−xy=−x . What are the vertices of triangle A'B'C'? Enter your answers in the boxes. A': ( , ​ ​) B': ( , ​ ​) C': ( , ​ ​)

Answer 1

Sorry I am late, but hopefully this will help someone else that's taking the test.
A' (-2,-4)
B' (-7,-6)
C' (-1,-13)