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A triangle has points A(2, 3), B(2, 6), and C(7, 3) and is reflected over the x-axis and then over the line y = x. A"B"C" are the coordinates of the reflected image. What is the A" coordinate?

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  1. A(2,3) -- over x-axis--> A(2,-3) --- over y=x --> A(-3,2)
    same thing for the other points

    in general
    (x,y) ---> (x, -y) ---> (-y,x)

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