Choose which of the following are true statements regarding matrices.

Question

a. A matrix with 14 elements is impossible.
b. If two rows are identical in a matrix, then there are infinitely many solutions.
c. A 3-by-2 matrix and a 2-by-3 matrix have the same number of elements.
d. An acceptable row operation is to switch columns.

Answer 1

The true statements regarding matrices are:

b. If two rows are identical in a matrix, then there are infinitely many solutions.
c. A 3-by-2 matrix and a 2-by-3 matrix have the same number of elements.