Question

Can someone help please? I am confused as to what to do.
Write a rule to describe the transformation that is a reflection across the x-axis.
A. (x,y) → (x, -y)
B. (x,y) → (-x, y)
C. (x,y) → (-x, -y)
D. (x,y) → (y, x)

Answer 1

this is a reflextion across the x axis (x,y) → (-x, y)

Answer 2

well for example graph y=x
and then graph y= -x
u will see that the graph get reflected about the x axis