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

  2.   Determine whether the pair of figures represents a rotation of 90°, 180°, or a reflection over the x-axis or y-axis.
   
    A. 180° rotation B. reflection over the x-axis
    C. reflection over the y-axis D. 90° counterclockwise rotation
    Hint

  3.   A rotation is a type of transformation that requires a turn around ____________.
    A. two points B. four points
    C. one point D. three points
    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 y-axis.
    B. 180? rotation about the origin
    C. 90? counterclockwise rotation about the origin
    D. Reflection about the x-axis
    Hint

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



Glencoe
The McGraw-Hill Companies