9. Find the glide reflection rule that maps Triangle NOP to Triangle N'O'P'.
1 point
(x, y) --> (x - 1, y + 4) and reflect across x = -1
(x, y) --> (x + 4, y -1) and reflect across x = -1
(x, y) --> (x - 1, y + 4) and reflect across y = -1
(x, y) --> (x + 4, y - 1) and reflect across y = -1