What mapping rule should be used when reflecting a figure across the line y = x?
o (x, y) + (y, z)
o (1, y) → (1, - y)
o (z, y) → (-y, z)
o (c, y) + (-2,y)
o (x, y) = (–a, – y)
chec

the answer cant be said in braily unless you get it from my brother

step-by-step explanation:

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign