1.   Triangle QRS has vertices Q(5, 3), R(3, 7), and S(1, 2). Find the coordinates of the image of triangle QRS after it is rotated 90° counterclockwise about the origin.
    A. Q´(-5, -3), R´(-3, -7), S´(-1, -2)
    B. Q´(-3, -5), R´(-7, -3), S´(-2, -1)
    C. Q´(-3, 5), R´(-7, 3), S´(-2, 1)
    D. Q´(5, -3), R´(3, -7), S´(1, -2)
    Hint

  2.   What is the point about which a figure is rotated called?
    A. transformation point B. image
    C. point D. center of rotation
    Hint

  3.   What is the rule where the angle of rotation is 90° counterclockwise, and the center is (0, 0)?
    A. (x, y)(-x, -y)
    B. (x, y)(-y, x)
    C. (x, y)(-x, y)
    D. (x, y)(-y, -x)
    Hint

  4.   Which is the image of the figure shown when it is tuned 270° counter clockwise about the center point P?
   
    A. B.
    C. D.
    Hint

  5.   What is the rule where the angle of rotation is clockwise, and the center is (0, 0)?
    A. (x, y)(-y, x)
    B. (x, y)(-x, y)
    C. (x, y)(-x, -y)
    D. (x, y)(-y, -x)
    Hint



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