Answer:
A'(10,5), B'(7,0), C'(2,-2)
Step-by-step explanation:
Triangle ABC with vertices A(-2, 5), B(1,0), and C(6, -2) is reflected across the line x=4.
This reflection has the rule
[tex](x,y)\rightarrow (8-x,y)[/tex]
So,
See attached diagram for details.