Determinants and Inverses of Matrices

What is the determinant of this matrix?

• 5

• -5

• 0

• -12

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

Dimensions?

• a
• b
• c
• d

What would be the dimensions (output) of AB?

• undefined

• 2 X 2

• 3 X 2

• 3 X 3

find: B*A

• 47     30
  9     5
• 17     15
  42     35
• 10     25
  7     1
• not possible because rows do not match columns

Calculate the determinant

• 0
• -15
• -70
• 10

Find the determinant of the given matrix?

• 5

• -5

• 0

• -75

Find the inverse of the matrix.

• 
• 
• 
• No Inverse Exists

Find the inverse of the matrix.

• 
• 
• 
• No Inverse Exists