 |  Linear Algebra 20 Flashcards |  Start |
 | What is the time complexity of the matrix addition operation? |  Card: 1 / 20 |
| O(m * n) | Card: 2 / 20 |
| True or False: Matrix addition is associative. | Card: 3 / 20 |
| True | Card: 4 / 20 |
| Fill in the blank: A square matrix is said to be a ______ matrix if its determinant is zero. | Card: 5 / 20 |
| Singular | Card: 6 / 20 |
| Which of the following properties does NOT hold for matrix multiplication? A) (AB)C = A(BC) B) AB = BA C) A(BC) = (AB)C D) (A + B)C = AC + BC | Card: 7 / 20 |
| B) AB = BA | Card: 8 / 20 |
| Riddle: I can be square or rectangular, my elements are arranged in rows and columns. What am I? | Card: 9 / 20 |
| A matrix | Card: 10 / 20 |
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| The order of the resulting matrix from multiplying an m × n matrix A with an n × p matrix B is ______. | Card: 11 / 20 |
| M × p | Card: 12 / 20 |
| True or False: Subtraction of matrices is commutative. | Card: 13 / 20 |
| False. Subtraction of matrices is non-commutative. | Card: 14 / 20 |
| What is the property of eigenvectors with distinct eigenvalues? | Card: 15 / 20 |
| They are linearly independent. | Card: 16 / 20 |
| Fill in the blank: The trace of a matrix is equal to the sum of its ______. | Card: 17 / 20 |
| Diagonal elements | Card: 18 / 20 |
| Which type of matrix has all non-diagonal entries equal to zero? A) Symmetric B) Diagonal C) Skew-Symmetric D) Identity | Card: 19 / 20 |
| B) Diagonal | Card: 20 / 20 |
| Completed! Keep practicing to master all of them. |  Restart |
