U3 Geometry
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Last updated 4:36 AM on 2/5/26
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8 Terms
1
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rule for reflection across the x-axis
(x, y) → (x, -y)
2
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rule for reflection across y-axis
(x, y) → (-x, y)
3
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rule for reflection across y=x
(x, y) → (y, x)
4
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rule for reflection across y=-x
(x, y) → (-y, -x)
5
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rule for rotation 90 degrees clockwise (270 degrees counterclockwise)
(x, y) → (y, -x)
6
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rule for rotation 180 degrees any direction
(x, y) → (-x, -y)
7
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rule for rotation 90 degrees counterclockwise (270 clockwise)
(x, y) → (-y, x)
8
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angle of rotation formula
360 degrees/order of rotation
Note 
Flashcards (133)