Matrix Determinant

Find the value of x and y if

• x=2 , y=5

• x=3, y=3

• x=3, y=5

• x=5, y=3

• 2 and 1

• -2 and -1

• 2 and -1

• 3 and 4

If the determinant of the matrix is -4, what is the value of x?

If the determinant of the matrix is 14, what is the value of x?

• 2

• 6

• 0

• -2

• 2

• 6

• 0

• -2

What is the determinant of this matrix?

• 5

• -5

• 0

• -12

Let A be a square matrix of order 3x3 then| kA| = .

• k |A|

• k²|A|

• k³|A|

• 3k|A|

If A is an invertible matrix of order 3 and |A|=5 then find |Adj A|

• 5

• 15

• 25

• 125

If A is square matrix of order 3 such that |AdjA| =64 , find |A|

• 64

• 8

• 4

• 192