Determinants and Inverse Matrix

• 2

• 3

• 4

• 5

• 
• 
• 
• 

What is the determinant of this matrix?

• -2

• 2

• 10

• 24

What is the determinant of this matrix?

• 5

• -5

• 0

• -12

What is the formula for the determinant of a 2x2 matrix?

• ad-bc

• ab-cd

• ad+bc

• (a+d)(b+c)

What is the determinant of this matrix?

• 0

• 24

• -24

• -12

Will this matrix have an inverse?

• Yes

• No

• Unable to Determine

Are these matrices inverses of each other?

• Yes

• No

• Unable to Determine

Which option below correctly shows the steps to find the inverse of this matrix?

• 
• 
• 
• No Inverse Exists

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

• 5

• 15

• 25

• 125