Question

Which point is the image of A(-1, 3) after a reflection with respect to the line y = -2?

Answer 1

Please help!!

Answer 2

y-coordinate of the point (-1, 3) is 3. So its distance from the line y = -2 is?

Answer 3

Distance of the point (-1, 3) from the line y = -2 is 3 - -2 = 5 and the point is above the line. Hence its reflection is (-1, 3 - 5 - 5) = (-1, -7)