Question

Point D' is the image of D(-2, 1) under a reflection across the x-axis.

Answer 1

-2, -1

Explanation:

the x same cause if you reflect across the x-axis so you move on the y-axis. and reflect means the same distance from the point you reflect (that it was 1 cause it was 1 point above the x-axis) just negative so -1 now. if the original point was -2,-1 so the answer was -2,1.