Question

wednesday 9/24
square wxyz is rotated 180° counterclockwise about the origin.
the original vertex w is at (4,2).
what are the coordinates of w after the rotation?

Explanation:

Step1: Recall rotation rule

When rotating a point (x,y) 180° counter - clockwise about the origin, the new coordinates are (-x,-y).

Step2: Apply rule to point W

For point W(4,2), x = 4 and y = 2. So new x - coordinate is -4 and new y - coordinate is -2.

Answer:

(-4,-2)