Question

n =⟨−2,  −1⟩ and D=$\left[\begin{array}{cc}-3&0\\4&1\\\end{array}\right]$

What is D⋅n?

Answer 1

Answer:

6

-9

Step-by-step explanation:

-3(-2) + 0(-1)

4(-2) + 1(-1)

6 + 0

-8 + -1

6

-9

*don't forget to add brackets on each side of every calculation okay :)