Quiz over Inverse Matrices + Solving Matrix Equations

Which matrix is an identity matrix

• A

• B

• C

• D

Tags

CCSS.HSN.VM.C.10

What is A^-1?

• 
• 
• 
• 

Tags

CCSS.HSA.REI.C.9

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

• A

• B

• C

• D

Tags

CCSS.HSA.REI.C.8

• A

• B

• C

• D

Tags

CCSS.HSA.REI.C.8

• A
• B
• C
• D

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• A
• B
• C
• D

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• x=2
  y=-1
• x=-1
  y=2
• x=-2
  y=1
• x=1
  y=-2

Tags

CCSS.HSA.REI.C.9