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Blue Day – 1/6/2015 Gold Day – 1/7/2015

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Transformations Translations Reflections Last day to do a schedule change is Friday, January 16, 2015. Student Holiday – Monday, January 19, 2015

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a change in its position, shape, or size. preimage the resulting figure after changes are made. isometry a transformation that maps all points the same distance and in the same direction. composition of transformations

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It is common practice to name shapes using capital letters: It is common practice to name transformed shapes using the same letters with a “prime” symbol:

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A translation "slides" an object a fixed distance in a given direction. The original object and its translation have the same shape and size, and they face in the same direction. Translations are SLIDES.

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Let's examine some translations related to coordinate geometry. The example shows how each vertex moves the same distance in the same direction.

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What are the coordinates for A, B, C? What are the coordinates for A’, B’. C’? How are they alike? How are they different?

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3.7 Translations. A) Translation: when we SLIDE a figure to a different location. Transformation: an operation that maps or moves a figure onto an image.

3.7 Translations. A) Translation: when we SLIDE a figure to a different location. Transformation: an operation that maps or moves a figure onto an image.

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