Inverse Matrices

Which of the following is the inverse of the matrix A= 
⌈3  0⌉
⌊0  2⌋
*Inverse=
                 ¹∕detA × ⌈d  −b⌉                                      ⌊−c  a⌋

• [1/2    0]
  [0    1/3]
• [-3  0]
  [0  -2]
• ⌈1/3   0⌉
  ⌊0   1/2⌋
• [2  0]
  [0  3]

Are these matrices inverses of each other?

• Yes

• No

• Unable to Determine

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

Find the inverse of the matrix.

• 
• 
• 
• No Inverse Exists

Find the inverse of the matrix.

• 
• 
• 
• No Inverse Exists

Find the inverse of the matrix.

• 
• 
• 
• No Inverse Exists

Which of the following are NOT inverse matrices of each other?

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• 
• 
• 

What is the inverse of the following matrix?
⌈4  −3⌉
⌊12  3⌋
*det= 38

• ⌈³∕₃₈  ³∕₃₈⌉
  ⌊−⁶∕₁₉  ²∕₁₉⌋
• ⌈⁴∕₃₈  −³∕₃₈⌉
  ⌊¹²∕₃₈  ³∕₃₈⌋
• ⌈²∕₁₉  −³∕₃₈⌉
  ⌊−⁶∕₁₉  ³∕₃₈⌋
• ⌈³∕₃₈  ³∕₃₈⌉
  ⌊−¹²∕₃₈  ⁴∕₃₈⌋