Matrix Operations and Properties

What is the order of a matrix with 3 rows and 2 columns?

• 2x3

• 3x2

• 3+2

• 2+3

Which type of matrix has an equal number of rows and columns, and its main diagonal elements are all 1s while other elements are 0s?

• Square matrix

• Identity matrix

• Row matrix

• Column matrix

What is a necessary condition for adding or subtracting two matrices?

• Their elements must be positive.

• Their orders (ordo) must be the same.

• They must be square matrices.

• The number of rows of the first must equal the number of columns of the second.

What is the condition for multiplying two matrices with orders A x B and B x C?

• The number of rows of the first matrix (A) must equal the number of columns of the second matrix (C).

• The number of columns of the first matrix (B) must equal the number of rows of the second matrix (B).

• Both matrices must have the same order.

• The product matrix will have an order of B x B.

What is a necessary condition for two matrices to be multiplied?

• The number of rows in the first matrix must equal the number of columns in the second matrix.

• The number of columns in the first matrix must equal the number of rows in the second matrix.

• Both matrices must have the same dimensions.

• Both matrices must be square matrices.