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

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

  3.   State the domain of the relation {(-4, 3), (-2, -1), (0, 5), (1, -6)}.
    A. {-6, -1, 3, 5}
    B. {-6, -4, -2, -1, 0, 1, 3, 5}
    C. {-4, -2, 0, 1}
    D. {-4, -3, -2, -1, 0, 1}
    Hint

  4.   Find the range of the relation graphed below.
   
    A. {-3, -1, 0, 1, 3, 4} B. {-3, 0, 1, 3}
    C. {-1, 0, 4, 5} D. {-3, -1, 1, 3, 4}
    Hint

  5.   Write the relation whose graph is shown below as a set of ordered pairs.
   
    A. {(-4, -3, -1, 0, 3, 4), (-4, -3, -2, 0, 2)}
    B. (-4, -3), (-3, 0), (-2, 4), (0, -4), (2, 3), (2, -1)
    C. {(-4, -3, -2, 0, 2), (-4, -3, -1, 0, 3, 4)}
    D. (-3, -4), (0, -3), (4, -2), (-4, 0), (3, 2), (-1, 2)
    Hint



Glencoe
The McGraw-Hill Companies