Determinants in Matrices

Find the determinant of the matrix and determine of the matrix is invertible.

• det = -14, inverse exists

• det = 0, no inverse exists

• det = 166, inverse exists

• det = 14, inverse exists

The determinant of matrix A is denoted by:

• Adj A

• |A|

• A^t

• A^-1

• A
• B
• C
• D

Find the determinant of this matrix 

• -42

• -40

• 2

• det A =2

Evaluate the determinant of B=[-62]

(a)  

Evaluate.

(a)  

Evaluate the determinant.

(a)  

Evaluate the determinant of the matrix.

• 68

• -49

• -83

• -75

• B

• A

• C

• D

Evaluate the determinant of the matrix.

• -21

• 0

• 9

• 12