Use the Negation Starter File for this page.
1 Draw the image that each Circle of Evaluation will produce. The first prediction has been done for you.
(rotate 45 hello)
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(rotate 90 hello)
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(rotate 135 hello)
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(rotate 180 hello)
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(rotate 225 hello)
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(rotate 270 hello)
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(rotate 315 hello)
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2 What did you discover? (Some questions to consider: What happens when you rotate an image 90 degrees? 180 degrees? Were rotations clockwise or counter-clockwise?)
3 The table below includes negation, absolute value, and composed rotations. Draw the image that each Circle of Evaluation will produce.
(rotate (negate 180) hello)
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(rotate (negate (negate 90)) hello)
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(rotate (num-abs -45) hello)
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(rotate -30 (rotate 30 hello))
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(rotate (num-abs 225) hello)
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★ For each Circle in the table above, can you up with a simpler, equivalent Circle of Evaluation that will produce the same image? Draw them in the empty boxes below. |
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These materials were developed partly through support of the National Science Foundation, (awards 1042210, 1535276, 1648684, 1738598, 2031479, and 1501927). 
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