Question

50 points! Please help it is due soon, I will mark brainliest. Random answers will be reported.

Answer 1

Step-by-step explanation:

Assuming that the 270° rotation is in a clockwise motion,

A point (a, b) which undergoes such a rotation will have the new point (-b, a).

Since we have A(2, 1),

A' has the coordinates (-1, 2).