Rigid Transformation: Reflection Review

Weihong Cen
Flashcards by Weihong Cen, updated more than 1 year ago
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- Math (8th Grade Geometry) Flashcards on Rigid Transformation: Reflection Review, created by Weihong Cen on 04/15/2016.

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RIGID TRANSFORMATIONS a transformation of the plane that preserves length. Reflections, translations, rotations. 1dd39a90-01d3-4995-b1f6-0a887bcb4ea9.jpg (image/jpg)
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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