Matrices Practice Questions Ques17
Question: Which of the following matrices is a row matrix?
Options:
(A) $\begin{pmatrix} 1 & 2 & 3 \end{pmatrix}$
(B) $\begin{pmatrix} 1 \\ 2 \\ 3 \end{pmatrix}$
(C) $\begin{pmatrix} 1 & 2 \\ 3 & 4 \end{pmatrix}$
(D) $\begin{pmatrix} 1 & 2 & 3 \\ 4 & 5 & 6 \end{pmatrix}$
Show Answer
Answer: A
Explanation:
(A) Correct. This matrix has 1 row and 3 columns, making it a row matrix.
(B) Incorrect. This matrix has 3 rows and 1 column, making it a column matrix.
(C) Incorrect. This matrix has 2 rows and 2 columns, making it a square matrix.
(D) Incorrect. This matrix has 2 rows and 3 columns, making it a rectangular matrix.