1.  
    A. The product doesn't exist. B.
    C. D.
    Hint

  2.   Find the values of x and y for which the matrix equation is true.
    A. x = 2, y = 3 B. x = 1, y = 0
    C. x = 4, y = 2 D. x = 3, y = 2
    Hint

  3.  
    A. [4 5 6] B. impossible
    C. D. [-1 1 18]
    Hint

  4.   Given A = [3 -2], C = , find AC.
    A. B. [-10 -4 -2]
    C. impossible D. [14 3 13]
    Hint

  5.  
    A. impossible B.
    C. D.
    Hint



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