Reflection in line y = x , rule (x , y) -->(y , x)
R(-4 , 3) --->R'(3 , -4)
Answer
D. (3 , -4)
Reflection in line y = x rule:
(x, y) => (y, x)
R(-4, 3) => R(3, -4)
[tex] \boxed {D)~(3,-4)} [/tex]
