8-7 Transformation Objective: Students recognize, describe, and show transformation.

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Transformations on the Coordinate Plane

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Presentation transcript:

8-7 Transformation Objective: Students recognize, describe, and show transformation.

Vocabulary  transformation- changes the position or orientation of a figure.  image- result of transformation, the image is congruent to the original figure.

TranslationReflectionRotation A translation slides a figure along a line without turning it. A reflection flips a figure across a line to create a mirror image. A rotation turns a figure around a point, called the center of rotation. Vocabulary

Example 1  Identify each type of transformation

Example 2 Graph the translation of △ABC 6 units right and 4 units down

Example 3 Graphing the reflection of each figure across the indicated axis. Write the coordinates of the vertices of the image a. x -axis b. y -axis F A H B C D E F G G

Example 4 Triangle JKL has vertices J(-3, -1), K(-3,-2 and L(1, -2). Rotate △ JKL 90° counterclockwise about the vertex J