Reflect the point (−5,7)(-5, 7)(−5,7) across the line y=xy = xy=x.
(7,−5)(7, -5)(7,−5)
(−5,7)(-5, 7)(−5,7)
(5,−7)(5, -7)(5,−7)
(7,5)(7, 5)(7,5)