DeterminantsMatricesACT math questions

    2009 June(67C) Math Question 53

    Matrices

    - Determinants

    2014 December(72G) Math Question 55

    Matrices

    - Determinants

    55. The determinant of any 2 x 2 matrix is ad - bc. The determinant of is equal to 0. What are all possible values of x?
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