Matrix Mastery QuizVersion en ligne Test your knowledge of matrices with this fun and challenging quiz! par Adolfo Mujica Guzman 1 What is the order of a matrix with 3 rows and 4 columns? a 4x3 b 3x3 c 4x4 d 3x4 2 Which operation is not defined for matrices? a Multiplication b Addition c Subtraction d Division 3 What is the determinant of a 2x2 matrix [[a, b], [c, d]]? a ab + cd b ad - bc c ac - bd d ad + bc 4 What is a square matrix? a A matrix with the same number of rows and columns b A matrix with more columns than rows c A matrix with more rows than columns d A matrix with only one row 5 What is the identity matrix of order 3? a [[1, 1, 1], [1, 1, 1], [1, 1, 1]] b [[1, 0, 0], [0, 1, 0], [0, 0, 1]] c [[0, 1, 0], [1, 0, 0], [0, 0, 1]] d [[1, 0], [0, 1]] 6 What is the result of multiplying a matrix by its inverse? a Original matrix b Zero matrix c Identity matrix d Transpose of the matrix 7 How do you find the transpose of a matrix? a By swapping rows and columns b By multiplying by -1 c By rotating 90 degrees d By adding a constant 8 What is a zero matrix? a A matrix with random elements b A matrix with no elements c A matrix with all elements equal to zero d A matrix with all elements equal to one 9 Which of the following is a property of matrix addition? a Associative property b Identity property c Distributive property d Commutative property 10 What is the trace of a square matrix? a Sum of all elements b Sum of the diagonal elements c Product of the diagonal elements d Difference of the diagonal elements
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