Multiplying Matrices (9.5.4)

Question 1

• To successfully multiply two matrices, the number of columns in the left matrix must equal the number of rows in the right matrix.

Answer 1

• To successfully multiply two matrices, the number of columns in the left matrix must equal the number of rows in the right matrix.

Question 2

• It is possible that one matrix can multiply with a second matrix, but not be able to multiply if their positions are reversed.

Answer 2

• It is possible that one matrix can multiply with a second matrix, but not be able to multiply if their positions are reversed.

Question 3

• The dimension of a matrix is referred to by the number of rows x the number of columns.

Answer 3

• The dimension of a matrix is referred to by the number of rows x the number of columns.

Question 4

• The solution matrix will have the same number of rows as the left matrix and the same number of columns as the right matrix.

Answer 4

• The solution matrix will have the same number of rows as the left matrix and the same number of columns as the right matrix.