PRC-2 · Chapter 4 · Question 50 of 60
If the determinant of a square matrix A is exactly zero (|A| = 0), the matrix is formally called:
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) Singular
Explanation
A singular matrix does not have an inverse. This is critical in Cramer's Rule, as you cannot solve a system if the denominator (determinant) is zero.
More Linear Programming MCQs
- Q52What is the determinant of the 2x2 matrix: [[5, 2], [3, 4]]?
- Q53To find the inverse of a 2x2 matrix, you must divide the 'Adjoint' of the matrix by its:
- Q54What is the product of a matrix A and its inverse A^-1?
- Q55Cramer's Rule is a specific method used to solve:
- Q56A matrix with only one single column is called a: