Question

A triangle has the following coordinates: (-15, 10), (0, -20), and (15, 0). Which of these points will not change if the figure were reflected over the x-axis? Type your answer as an ordered pair, like this example: (12, -34).

Answer 1

The point that would not be effected would be (15,0).

The other point are located off of the axis in the coordinate plain and would be flipped when reflected over the x-axis. However, this point, because it is located directly on the x-axis, would not be changed as a result of a reflection across the x-axis. It would reflect onto itself.