1.   Rotate P(2, -9) 90° counterclockwise about the origin and identify P'.
    A. (9, 2) B. (2, -9)
    C. (-9, 2) D. (-2, 9)
    Hint

  2.   A rotation is a type of transformation that requires a turn around ____________.
    A. four points B. two points
    C. one point D. three points
    Hint

  3.   The point P(-5, -10) is rotated 90° counterclockwise about the origin. What are the coordinates of P'?
    A. (-5, 10) B. (10, -5)
    C. (5, -10) D. (10, 5)
    Hint

  4.   The point P (-5, -10) is rotated 180° about the origin. What are the coordinates of P'?
    A. (5, 10) B. (10, 5)
    C. (5, -10) D. (-10, -5)
    Hint

  5.   Triangle XYZ has vertices X(5, -2), Y(8, -2) and Z(8, -5). What has occurred to produce X'(-5, 2), Y'(-8, 2) and Z'(-8, 5)?
    A. Reflection about the x-axis
    B. 90? counterclockwise rotation about the origin
    C. Reflection about the y-axis.
    D. 180? rotation about the origin
    Hint



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