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Blue Day – 1/16/2015 Gold Day – 1/20/2015

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Friday, 1/16/2015 is the last day of schedule changes Monday, 1/19/2015 is a student holiday. Transformations Unit test 1/29/2015 & 1/30/2015 Today we will continue transformations Rotations

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Rotations are Counterclockwise unless otherwise stated Rotating 90° Counterclockwise or 270° clockwise Switch x and y, then Change sign of new x Ex: (2,-4) rotated becomes (4,2) Rotating 180° Counterclockwise or 180° clockwise Change signs of x and y only Ex: (-2,4) rotated becomes (2,-4) Rotating 270° Counterclockwise or 90° clockwise Switch x and y, then Change sign of new y Ex: (2, 4) rotated becomes (4, -2)

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https://www.youtube.com/watch?v=NY2c DTpsvBA https://www.youtube.com/watch?v=NY2c DTpsvBA

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Warm up What type of transformation is shown? Write the algebraic representation. Write the coordinates of the original triangle after reflection over.

Warm up What type of transformation is shown? Write the algebraic representation. Write the coordinates of the original triangle after reflection over.

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