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Show that the compositions below do not result in the same point.

Point A (x,y)

90 degrees clockwise
reflection around the y-axis
for point (-4,-3)

____________

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Carl

  1. Point A (x,y)

    90 degrees clockwise ----> A'(y,-x)
    reflection around the y-axis ----> A''(-y,-x)

    for point (-4,-3)
    90 degrees clockwise ----> (-3,4)
    reflection around the y-axis ----> (3,4)

    Is that what you are after?

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    Reiny

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