### Home > PC > Chapter 12 > Lesson 12.1.1 > Problem 12-10

12-10.

It is possible to multiply matrices by a constant.

If

and , why is it natural to write ?What is

? Find

if .

When vectors are in component form, matrix operations can be performed. With the addition of matrices, many problems with vectors can be solved. The same rules apply when multiplying a vector by a matrix as multiplying two matrices together.