Question

What is the determinant of matrix |-8|?​

Answer 1

Given:

The matrix is
`[-8]`.

To find:

The determinant of given matrix, i.e,
`|-8|`.

Solution:

If a matrix is A of order
`1* 1`, then the value of the determinant of that matrix is equal to the element of that matrix.

For example: Let A be the matrix of order
`1* 1`.

`A=[a]`

Then,

`|A|=a`

The given matrix is
`[-8]`. So, the determinant of given matrix, i.e,
`|-8|`, is

`|-8|=-8`

Therefore, the value of determinant of given matrix is -8.