Answer: 16.
- A 4
- B 8
- C 16
- D 32
Correct answer: C. 16
Explanation: det(kA) = kⁿ·det(A) = 2³·2 = 16 for a 3×3 matrix.
Element aij of matrix A sits at the intersection of row i and column j.
Concept context
Matrix operations, determinants, inverses, and solving linear systems