Mathematics for IGCSE & O level - Transformations (Section 4 - No. 13) | ExamPlay

Mathematics for IGCSE & O level - Transformations (Section 4 - No. 13)

If a point (x, y) is reflected in the line y = -x, what are the new coordinates?

(y, x)

(-y, -x)

(-y, x)

(y, -x)

Paliwanag

Reflection across y = -x: (x, y) -> (-y, -x)

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