Mathematics
Find the image of the point P(-3, -5) in the line y = -2.
Reflection
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Answer
We know that the reflection of the point (x, y) in the line y = a is the point (x, -y + 2a).
∴ The image of the point P(-3, -5) under reflection in the line y = -2 is the point P'(-3, -(-5) + 2 × (-2)) i.e., the point P'(-3, 1).
Hence, the image of the point (-3, -5) in y = -2 is (-3, 1).
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