Determinants & Inverse Matrices

What is the inverse of this matrix?

• _{(1/25)  (-4/25)
  (3/25)  (13/25)}
• _{(1/5)  (-4/5)
  (3/5)  (13/5)}
• _{(6/25)  (-2/25)
  (2/25)  (9/25)}
• _{(1/150)  (-4/150)
  (3/150)  (13/150)}

Tags

CCSS.HSA.REI.C.9

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⌋

Tags

CCSS.HSA.REI.C.9

Solve for the determinant of the following matrix:  
⌈12  −3⌉
⌊−6  15⌋
*detA= ad-bc

• 198
• 162
• -333
• -9

Tags

CCSS.HSN.VM.C.12

Which of the following has a determinant of 0?
*det= ad-bc

• ⌈1  0⌉
  ⌊2  3⌋
• ⌈-4  -2⌉
  ⌊6   3⌋

Tags

CCSS.HSA.REI.C.8

Evaluate the determinant of the matrix.

• -21
• 0
• 9
• 12

Tags

CCSS.HSN.VM.C.12

Evaluate the determinant of the matrix.

• -21
• 0
• 9
• 12

Calculate the determinant

• 0
• -15
• -70
• 10

What is A^-1?

• 
• 
• 
• 

Tags

CCSS.HSA.REI.C.9

Find the determinant of matrix A.

• 10
• not possible
• 14
• -14

Find the determinant of the given matrix?

• 5

• -5

• 0

• -75

Tags

CCSS.HSN.VM.C.12