Geometry

Question Analysis:
This question tests recognition of incorrect rotation rules.

Key Concept Explanation:
Correct 270° CCW Rule: (x, y) → (y, -x)
Option C incorrectly describes a reflection over the x-axis.

Step-by-Step Solution:
Verify each option:
A) Correct 90° CW rule.
B) Correct 180° rule.
C) Incorrect; this is a reflection, not rotation.
D) Correct; 360° returns to the original position.

Co...