What is the result of reflecting the point (5,2)(5, 2)(5,2) across the line y=xy=xy=x?
(2,5)(2, 5)(2,5)
(−5,2)(-5, 2)(−5,2)
(5,−2)(5, -2)(5,−2)
(−2,−5)(-2, -5)(−2,−5)