Matrix Mastery QuizOnline version Test your knowledge of matrices with this fun quiz game! by Maxwell Gatonye 1 What is a matrix? a A type of graph. b A single number. c A mathematical theorem. d A rectangular array of numbers. 2 What is the order of a matrix? a The determinant value. b The number of rows and columns. c The sum of all elements. d The size of the elements. 3 How do you add two matrices? a Transpose one matrix. b Add corresponding elements. c Multiply them together. d Subtract them. 4 What is the determinant of a 2x2 matrix? a ac - bd b a + b + c + d c ab + cd d ad - bc for matrix [[a, b], [c, d]]. 5 What is a square matrix? a A matrix with more rows than columns. b A matrix with all elements zero. c A matrix with only one row. d A matrix with the same number of rows and columns. 6 What is the identity matrix? a A square matrix with 1s on the diagonal and 0s elsewhere. b A matrix with no elements. c A matrix with random numbers. d A matrix with all elements equal to 1. 7 What operation is performed to find the inverse of a matrix? a Add the matrix to itself. b Transpose the matrix. c Use the formula involving the determinant. d Multiply the matrix by zero. 8 What is a zero matrix? a A matrix where all elements are zero. b A matrix with negative elements. c A matrix with all elements one. d A matrix with random elements. 9 What is matrix multiplication? a Combining rows of the first matrix with columns of the second. b Subtracting one matrix from another. c Adding corresponding elements. d Transposing both matrices. 10 What is a row matrix? a A matrix with only one row. b A square matrix. c A matrix with only one column. d A matrix with all elements zero.
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