Question

Triangle XYZ is reflected across the line y=x and X'= (2, -15). What are the coordinates of X,?

Answer 1

if reflected coordinate is (2,-15) , it mean coordinates` x and y values are changed. So, if you want to know X, reflect once again! 
Answer: (-15,2)

Answer 2

Answer:

the answer to this is A

Step-by-step explanation: