Answer: 3 x 4.
- A 4 x 3
- B 3 x 4
- C 3 x 3
- D 4 x 4
Correct answer: B. 3 x 4
Explanation: Order is written as (rows) x (columns), so a matrix with 3 rows and 4 columns has order 3 x 4.
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