Identity Matrix and Inverse Matrices

Which matrix is an identity matrix

• A

• B

• C

• D

Tags

CCSS.HSN.VM.C.10

When you multiply a matrix by the identity matrix, you obtain the

• inverse matrix.

• transpose matrix.

• Identity matrix

• original matrix.

Tags

CCSS.HSN.VM.C.10

When you multiply a matrix by the inverse matrix, you obtain the

• inverse matrix.

• transpose matrix.

• Identity matrix

• original matrix.

Tags

CCSS.HSN.VM.C.10

Find the product.

• undefined
• -3   16
  17   12
  8   -10
• 3   12 
  -15  -8
  -1   -3

Determine whether the matrices are multiplicative inverses.

• Yes

• No

Determine whether the matrices are multiplicative inverses.

• Yes

• No

Select the identity matrix.

• 
• 

Tags

CCSS.HSN.VM.C.10

If two matrices are inverses, then their product is the identity matrix.

• True

• False

Tags

CCSS.HSN.VM.C.10

If two matrices are inverses, then their sum is the identity matrix.

• True

• False

Select the operations you could complete.

• Addition

• Subtraction

• Multiplication

• None