5147179
Description
Flashcards by Weihong Cen, updated more than 1 year ago
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Created by Weihong Cen
over 8 years ago
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| Question | Answer |
| RIGID TRANSFORMATIONS | a transformation of the plane that preserves length. Reflections, translations, rotations. |
| REFLECT ACROSS X - AXIS | (x, y) ----> (x, -y) |
| REFLECT ACROSS Y - AXIS | (x, y) ----> (-x, y) |
| REFLECT ACROSS Y=X | (x, y) ----> (y, x) |
| REFLECT ACROSS Y=-X | (x, y) ----> (-y, -x) |
| REFLECT ACROSS X=NUMBER | (x, y) ----> (x, 0+(coordinate to the number)*2) *If the coordinate > number, y is negative.* |
| REFLECT ACROSS Y=NUMBER | (x, y) ----> ( 0+(coordinate to the number)*2 , y) *If the coordinate > number, x is negative.* |
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