Answer: Interchanging rows and columns.
- A Multiplying every element by -1
- B Interchanging rows and columns
- C Adding A to itself
- D Squaring every element
Correct answer: B. Interchanging rows and columns
Explanation: The transpose A<sup>T</sup> is formed by converting the rows of A into columns (and columns into rows).
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