Consider the matrix A= ( begin{bmatrix}4&6&9 12&11&10 end{bmatrix} ). What is the type of matrix?

Consider the matrix A= ( begin{bmatrix}4&6&9 12&11&10 end{bmatrix} ).

1.	Consider the matrix A= ( begin{bmatrix}4&6&9 12&11&10 end{bmatrix} ). What is the type of matrix?
A.	Row matrix
B.	Column matrix
C.	Horizontal matrix
D.	Vertical matrix
Answer» D. Vertical matrix