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A determinant of zero means the matrix is:

ASingular
BInvertible
CSymmetric
DRectangle
Answer & Solution
Correct answer: A. Singular
1. A matrix with zero determinant has no inverse. 2. Such matrices have their own name. 3. They are called singular. 4. So the answer is singular. _Source: syllabus Mathematics, Ch 4 'Determinants'_
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