Reflections - Concept

Concept Concept (1)

A reflection is an isometry, which means the original and image are congruent, that can be described as a "flip". To perform a geometry reflection, a line of reflection is needed; the resulting orientation of the two figures are opposite. Corresponding parts of the figures are the same distance from the line of reflection. Ordered pair rules reflect over the x-axis: (x, -y), y-axis: (-x, y), line y=x: (y, x).

Sample Sample Problems (4)

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Reflections - Problem 1
Problem 1
How to reflect a figure over the y-axis.
Reflections - Problem 2
Problem 2
How to reflect a figure over x = 2.
Reflections - Problem 3
Problem 3
How to find the minimal path between two objects.
Reflections - Problem 4
Problem 4
How to describe the transformation given by (x,y) -> (-x, y+1).