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Warm up

Warm up. A function is even. Point A(-3, 4) is on the even function. Name another point. (draw a picture to help) A function is even. Point B(9, 2) is on the even function. Name another point. Reflect C(-5, -3) over the y-axis. Reflect D(2, -4) over the x-axis.

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Warm up

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  1. Warm up • A function is even. Point A(-3, 4) is on the even function. Name another point. (draw a picture to help) • A function is even. Point B(9, 2) is on the even function. Name another point. • Reflect C(-5, -3) over the y-axis. • Reflect D(2, -4) over the x-axis. • Reflect E(-12, 4) over y = -x.

  2. Rotations

  3. Rotations A rotation is a ________ around a center. The _______________ from the center to any point on the shape stays the ___________. turn distance same

  4. Degrees of Rotation Let’s compare Clockwise and Counterclockwise

  5. Rotate 90 Clockwise about the Origin Change the sign of x and switch the order

  6. Rotate 90° clockwiseabout the origin

  7. Rotate 90° CW about the originSame as 270° CCW

  8. Rotate 180about the Origin ONLY Change the signs

  9. Rotate 180° about the origin

  10. Rotate 180° about the origin

  11. Rotate 270 CW about the OriginSame as 90 CCW Change the sign of y and switch the order

  12. Rotate 90° CCWabout the origin

  13. Rotate 90° CCWabout the origin

  14. You try! Rotate 270 Counterclockwise about the Origin: Same as _________ Rule : _______________

  15. Any Questions??

  16. Classwork Practice Worksheet

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