1.   Two numbers grouped together like (2, 5) are called ______.
    A. y-coordinates
    B. an ordered pair
    C. x-coordinates
    D. a coordinate system
    Hint

  2.   The origin O is represented by which ordered pair?
   
    A. (0, 1) B. (1, 1)
    C. (1, 0) D. (0, 0)
    Hint

  3.   Choose the graph of the ordered pair (3, 4).
    A.
    B.
    C.
    D.
    Hint

  4.   Name the ordered pair for point A.
   
    A. (4, 2) B. (1, 4)
    C. (4, 1) D. (2, 4)
    Hint

  5.   Name the point for the ordered pair (3, 1).
    A. B.
    C. D.
    Hint