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

  2.   Solve for n by the method of determinants.
    A. B.
    C. D.
    Hint

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

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

  5.   Which method of finding solutions would work best to find the solutions to the system and state why?
    A. determinants and matrices, because there are fewer calculations B. adding or subtracting
    C. adding and multiplying D. substitution
    Hint



Glencoe
The McGraw-Hill Companies