Question

4. Write a rule to describe the transformation that is a reflection across the y-axis.
(x, y) -> (x, –y)
(x, y) -> (–x, y)
(x, y) -> (–x, –y)
(x, y) -> (y, x)

Answer 1

probably it's B, but i'm not sure

Answer 2

it is B for sure

Answer 3

because, only x is affected, as x reflected