Question

3,6 reflected across the line y=3

Answer 1

(3, 0)

Explanation:

(3,6) reflected across the line y=3

y = 3 is parallel to x- axis, the x-coordinate doesn't change and y-coordinate reflects as y - 2*3

• (x, y) → (x',y') = (x, y -2*3)
• (3, 6) → (3, 6 -6) = (3, 0)

Answer is (3,0)