Question

Select the correct answer from the drop-down menu.
Fill in the missing number in the equation.

Answer 1

8

Explanation:

Answer 2

8

Explanation:

a A + b A where A is a matrix and a and b are scalars

( a+b) A

3+5
`\left[\begin{array}{cc}-1&2\\4&-5\end{array}\right]` = 8
`\left[\begin{array}{cc}-1&2\\4&-5\end{array}\right]`