Question

PLEASE HELP ! FOR 79 POINTS!

Answer 1

(x, y) → (-x, -y)

Explanation:

Look at the picture.

The rotation of 180 ° relative to the center point in the origin is the same as the symmetry around the origin.

Coordinates in symmetries:

`\begin{array}c&(x,\ y)\\\\S_(OX)&(x,\ -y)\\\\S_(OY)&(-x,\ y)\\\\S_((0,\ 0))&(-x,\ -y)\end{array}`