Determinant of 2x2 Matrices

Evaluate.

Will this matrix have an inverse?

• Yes

• No

• Unable to Determine

Tags

CCSS.HSA.REI.C.9

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]

Tags

CCSS.HSA.REI.C.9

Evaluate the determinant. Type the answer in the space given. (Type the number ONLY.)

Evaluate the determinant. Type the answer in the space given. (Type the number ONLY.)

Evaluate the determinant. Type the answer in the space given. (Type the number ONLY.)

Evaluate the determinant. Type the answer in the space given. (Type the number ONLY.)

Evaluate the determinant. Type the answer in the space given. (Type the number ONLY.)

Evaluate the determinant. Type the answer in the space given. (Type the number ONLY.)

Evaluate the determinant. Type the answer in the space given. (Type the number ONLY.)