1.   Rotate P(2, -9) 180° about the origin and identify P'.
    A. (-2, 9) B. (2, -9)
    C. (9, 2) D. (-9, 2)
    Hint

  2.   State the quadrant in which a triangle will lie if it is in the fourth quadrant and is rotated 180° about the origin.
    A. IV B. III
    C. II D. I
    Hint

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

  4.   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. 180? rotation about the origin
    C. Reflection about the y-axis.
    D. 90? counterclockwise rotation about the origin
    Hint

  5.   A point P, in Quadrant III, is rotated 90° counterclockwise about the origin. In which quadrant is P' located?
    A. Quadrant I B. Quadrant IV
    C. Quadrant III D. Quadrant II
    Hint



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