1.   The diagram below illustrates which equation?
   
    A. |x + 4| = -2 B. |x + 2| = -4
    C. |x - 4| = 2 D. |x - 2| = 4
    Hint

  2.   A solution set that has no members is called the _______.
    A. zero set B. empty set
    C. replacement set D. variable set
    Hint

  3.   Solve |r| + 9 = 14.
    A. 5 B. 23
    C. -23 or 23 D. -5 or 5
    Hint

  4.   Solve -19 + |t| = 12
    A. -31 or 31 B. -7
    C. 31 D. no solution
    Hint

  5.   Donald is a waiter at a restaurant. The restaurant has a policy that a glass of soda pop should be 16 oz full. Donald's manager tells him that he is allowed to be 1 oz off in either direction. Which absolute value equation represents this situation?
    A. |x – 16| = -1 B. |x – 16| = 1
    C. |x + 16| = 1 D. |x + 16| = -1
    Hint



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