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Bernhard White

Feb 20, 2025

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

rotation of 90° counterclockwise about the originrotation of 180° about the originreflection across the x-axisrotation of 90° clockwise about the origin
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Verdie O'Kon

Feb 20, 2025

Try a few points and you'll see what happens. For example if you had the point (2,3) in the first quadrant, you'll end up with the point (-2,-3) in the third quadrant.That's equivalent to a rotation of 180° about the origin.... Show More
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