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

12-10.

It is possible to multiply matrices by a constant. Homework Help ✎

If

and , why is it natural to write *N*= 2*M*?Find 10

**v**if**v**=.

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.