Thread: Question concerning matrix dimensions.

2. If matrix A has dimensions 3 x 2 and matrix B has dimensions 3 x 2, can matrix A and matrix B be multiplied?

A. yes
B. no

4. If matrix A has dimensions 6 x 6 and matrix B has dimensions 6 x 1, what will be the dimensions of the product matrix of A and B?

A. 6 x 1
B. 6 x 6
C. 1 x 6
D. These two matrices can’t be multiplied

2. B. Matrices A and B can only be multiplied if dimension A = n x m and B = m x p
4. A. The result of the multiplication AB (see answer 2) will be a matrix of dimension n x p