Flashcards: Chapter 14 Geometry Transformations
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Created by:
thesupermrjones on March 24, 2011
Groups:
STUDY GROUP | Everybody Welcome!, Geometry, Mr. Jones' Geometry Class
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Terms | Definitions |
|---|---|
 Isometry | a transformation where the preimage and final image are congruent |
| preimage | the original image |
| image | the transformed image |
| preimage of an equation f(x) = 2x - 3 | x |
| image of an equation f(x) = 2x - 3 | f(x) |
| transformation | a change in position, shape, or size |
| reflection over the x - axis | changes the sign of the y value |
| reflection over the y - axis | changes the sign of the x value |
| reflection over the line y = x | Switched the values of x and y. T(x,y) -> (y,x) |
| reflection | an isometry that occurs over one line |