11. The point Q(9, - 1) is reflected across the y-axis. Use arrow notation to describe the original point and its reflection

A Q(9, - 1) -> O' * (9, 1)

B Q(9, - 1) -> Q' * (- 9, 1)

C Q(9, - 1) -> Q' * (- 9, - 1)

D (9, - 1) -> Q' * (9, - 1)

B Q(9, - 1) -> Q' * (-9, 1)