Geometry

Question Analysis:  
This question compares two triangles on the coordinate plane — a black original triangle and a red image triangle. The main focus is recognizing how each point moves to determine the correct geometric transformation.

Key Concept Explanation:  
Here are key transformation rules:
- Reflection across x-axis:  
- Reflection across y-axis:  
- Rotation about the origin:  
- Translation (down 6 units):

Step-by-Step Solution:  
Compare each pair of corresponding points between black and red triangles:

1. A → A':

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