CA Inverse Matrices

What size is this matrix?

• 2x2

• 2x3

• 3x2

• 1x6

Tags

CCSS.HSN.VM.C.6

CCSS.HSN.VM.C.8

What is the formula for the determinant of a 2x2 matrix?

• ad-bc

• ab-cd

• ad+bc

• (a+d)(b+c)

Tags

CCSS.HSN.VM.C.12

What is the determinant of this matrix?

• 5

• -5

• 0

• -12

Will this matrix have an inverse?

• Yes

• No

• Unable to Determine

Tags

CCSS.HSA.REI.C.9

What is a₂₃

• 14

• 4

• 1

• 3

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 these matrices inverses of each other?

• Yes

• No

• Unable to Determine

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

Find the inverse of the matrix.

• 
• 
• 
• No Inverse Exists

Tags

CCSS.HSA.REI.C.9

Find the inverse of the matrix.

• 
• 
• 
• No Inverse Exists

Tags

CCSS.HSA.REI.C.9