1.   Solve for x by the method of determinants.
    A. B.
    C. 11 D.
    Hint

  2.   Solve by the method of determinants.
    A. (-0.4, -0.2) B. (-0.2, -0.4)
    C. (0.4, 0.2) D. (-0.2, 0.4)
    Hint

  3.   Solve by the method of determinants.
    A. B.
    C. D.
    Hint

  4.   Which of the following cannot be true concerning solving a system of equations by determinants?
    A. ed - bf = 0 B.
    C. D.
    Hint

  5.   Solve by the method of determinants.
    A. (1, -1, 2) B. (2, -1, -2)
    C. (2, -2, 1) D. (-1, 1, -2)
    Hint



Glencoe
The McGraw-Hill Companies