 |  Linear Algebra 20 Flashcards |  Start |
 | Which property of matrix addition states that A + B = B + A? |  Card: 1 / 20 |
| Commutative Property | Card: 2 / 20 |
| True or False: The subtraction of matrices is associative. | Card: 3 / 20 |
| False. Subtraction of matrices is non-associative. | Card: 4 / 20 |
| Fill in the blank: A square matrix is called ______ if its determinant is zero. | Card: 5 / 20 |
| Singular matrix | Card: 6 / 20 |
| Riddle: I am a matrix where all off-diagonal elements are zero. What am I? | Card: 7 / 20 |
| Diagonal matrix | Card: 8 / 20 |
| What is the time complexity of matrix addition for two matrices of order m x n? | Card: 9 / 20 |
| O(m * n) | Card: 10 / 20 |
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| Which operation requires that the number of columns in the first matrix equals the number of rows in the second matrix? | Card: 11 / 20 |
| Matrix multiplication | Card: 12 / 20 |
| Fill in the blank: The trace of a matrix is the sum of its ______ elements. | Card: 13 / 20 |
| Diagonal | Card: 14 / 20 |
| True or False: The product of two matrices A and B is always equal to the product of B and A. | Card: 15 / 20 |
| False. Matrix multiplication is generally non-commutative. | Card: 16 / 20 |
| Which type of matrix has the property that A^T = -A? | Card: 17 / 20 |
| Skew-symmetric matrix | Card: 18 / 20 |
| What is the characteristic equation used to find eigenvalues of a matrix A? | Card: 19 / 20 |
| |A - λI| = 0 | Card: 20 / 20 |
| Completed! Keep practicing to master all of them. |  Restart |
