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10 Cards in this Set
- Front
- Back
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Reflection across x-axis |
Rule: (x, y) -> (x, -y) |
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Reflection across y-axis |
Rule: (x, y) -> (-x, y) |
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Reflection across y = x |
Rule: (x, y) -> (y, x) |
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Reflection across y = -x |
Rule: (x, y) -> (-y, -x) |
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Reflection through the origin |
Rule: (x, y) -> (-x, -y) |
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Rotation of 90 degrees counterclockwise |
Rule: (x, y) -> (-y, x) |
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Rotation of 180 degrees counterclockwise |
Rule: (x, y) -> (-x, -y) |
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Rotation of 270 degrees counterclockwise |
Rule: (x, y) -> (y, -x) |
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Dilation |
To “enlarge” an object, multiply both the x & y coordinates by a scale factor > 1. To “reduce” an object, multiply both the x & y coordinates by a scale factor < 1. |
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Translation |
X -> left or right Y -> up or down |
