Identity Matrix

Determine whether the given matrix are identity matrix? If it is not an identity matrix, give your reason.

• No

• Yes

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CCSS.HSN.VM.C.10

Which of the following is an identity matrix of matrix A?

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CCSS.HSN.VM.C.10

Determine whether the given matrix are identity matrix? If it is not an identity matrix, give your reason.

• No, the elements along the main diagonal are not 1.

• Yes, it is a square matrix.

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CCSS.HSN.VM.C.10

Determine whether the given matrix are identity matrix? If it is not an identity matrix, give your reason.

• No, it is not a square matrix.

• Yes, it has zero and one.

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CCSS.HSN.VM.C.10

what is the name of the matrix

[1 0]

[0 1]

• identity matrix

• null matrix

• symmetric matrix

• skew symmetric matrix

What type of matrix has 1s along the main diagonal and 0s elsewhere?

• zero matrix

• square matrix

• identity matrix

• inverse matrices

Calculator Allowed

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CCSS.HSN.VM.C.10

Which matrix is an identity matrix

• A

• B

• C

• D

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CCSS.HSN.VM.C.10

Which matrix is an identity matrix?

• A

• B

• C

• D

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CCSS.HSN.VM.C.10

Identify

• Cramer's Rule

• row echelon form

• Identity matrix

• inverse matrix

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CCSS.HSN.VM.C.10