Question

Please help!!
Which rules would result in triangle ABC being congruent to or not congruent to triangle A’B’C?
Which ones are congruent and which ones are not congruent?

(x,y)➡️(-y,x)
(x,y)➡️(x-2,y-1/2)
(x,y)➡️(2x,2y)
(x,y)➡️(1/2x,1/2y)
(x,y)➡️(-x,y)

Answer 1

The first(rotation), second(translation), and last(rotation)