Question

matrix formative
matrix a is a 2×4 matrix. that means there are
○ 2 rows and 4 columns
○ 2 columns and 4 rows
○ 8 rows and 8 columns

Explanation:

In matrix notation, an \( m \times n \) matrix has \( m \) rows and \( n \) columns. For Matrix A, which is a \( 2 \times 4 \) matrix, \( m = 2 \) (number of rows) and \( n = 4 \) (number of columns). So the correct description is 2 rows and 4 columns.

Answer:

A. 2 rows and 4 columns