1) What is a matrix? a) A matrix is a rectangular array of numbers or expressions arranged in rows and columns. b) A matrix is a square array of numbers or expressions arranged in rows and columns. 2) What is a zero (or null) matrix? a) A matrix where all elements are zero. b) A matrix where all elements are 1. 3) What is a row matrix? a) A matrix with only one row. b) A matrix with 2 row. 4) What is a column matrix? a) A matrix with 2 column. b) A matrix with only one column. 5) What is the correct square matrix? a) 2×2, 3×3 b) 2x3,3x2 6) What is a transpose of a matrix? a) A new matrix created by rows with columns. b) A new matrix created by swapping rows with columns. 7) What is a diagonal matrix? a) A square matrix where all non-diagonal elements are zero. b) A square matrix where all non-diagonal elements are five. 8) What is a symmetric matrix? a) A matrix that is equal to its transpose. b) A matrix that is not equal 9) What is the identity matrix? a) A square matrix with 1s on the diagonal and 0s elsewhere. b) matrix with 1s on the diagonal and 2s 10) What is the rank of a matrix? a) The maximum number of linearly independent row or column vectors in the matrix. b) The manimum number of linearly independent row or column

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