Question

The figure MNP will be reflect across the y- axis. If point M starts at (1, 2), what is the coordinate of M´?

Answer 1

M' (- 1, 2 )

Explanation:

under a reflection in the y- axis

a point (x, y ) → (- x, y ) , then

M (1, 2 ) → M' (- 1, 2 )