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Mathematics, 24.09.2019 10:20 jacobdesalvo8155

What transformation is represented by the rule (x, y)→(−y, x)?
reflection across the x axis
rotation of 90 degrees clockwise about the origin
reflection across the y axis
rotation of 180 degrees about the origin

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What transformation is represented by the rule (x, y)→(−y, x)?
reflection across the x axis

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