### Home > PC3 > Chapter 9 > Lesson 9.1.3 > Problem 9-54

9-54.

Perform each of the following matrix operations without using a calculator. If the operation is impossible, explain why.

Multiplying a

matrix by a matrix results in a matrix.

Is it possible to multiply a

matrix by a matrix?

Is it possible to add two matrices with different dimensions?

See the hint in part (e). Is this a square matrix?