Inverses of 2x2 Matrices

Will this matrix have an inverse?

• Yes

• No

• Unable to Determine

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

Are A and B inverses? 
A = ⌈3  -10⌉
        ⌊1      4⌋
B = ⌈2/11  5/11⌉
         ⌊-1/22   3/22⌋
*AB=I

• Yes

• No

Tags

CCSS.HSA.REI.C.9

• 
• 
• 
• 

Tags

CCSS.HSA.REI.C.9

• 
• 
• 
• 

Tags

CCSS.HSA.REI.C.9

• 5 -2

  -3 1

• -5 2

  3 -1

• -5 3

  2 -1

• 1 -3

  -2 5

Tags

CCSS.HSA.REI.C.9

• a

• b

• c

• d

Tags

CCSS.HSA.REI.C.9

Find the inverse of the matrix.

• 
• 
• 
• No Inverse Exists

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

Which option below correctly shows the steps to find the inverse of this matrix?

• 
• 
• 
• No Inverse Exists

Tags

CCSS.HSA.REI.C.9