D'
Determining a Rule for a Reflection
-2
E'
-
-2
E
D
y=x/
F
Complete the mapping of the vertices of DEF.
D(2,-4)→ D'
E(1,-1)→ E'
F(5, 1)→ F'
What is the rule that describes a reflection across the
line y = x?
Tx=g(X,y)→