Coordinate Plane Transformations

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Vocabulary flashcards covering reflection and rotation rules for coordinate plane transformations.

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6 Terms

1
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Reflection over the x-axis

Maps any point (x, y) to (x, −y).

2
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Reflection over the y-axis

Maps any point (x, y) to (−x, y).

3
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Reflection over the line y = x

Maps any point (x, y) to (y, x).

4
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90° Counter-Clockwise Rotation about the origin

Maps any point (x, y) to (−y, x).

5
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180° Rotation about the origin

Maps any point (x, y) to (−x, −y); direction (CW or CCW) does not matter.

6
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270° Counter-Clockwise (or 90° Clockwise) Rotation

Maps any point (x, y) to (y, −x).