Identity Elements in a Matrix

Identify

• Cramer's Rule

• row echelon form

• Identity matrix

• inverse matrix

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CCSS.HSN.VM.C.10

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CCSS.HSN.VM.C.10

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CCSS.HSN.VM.C.10

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

• zero matrix

• square matrix

• identity matrix

• inverse matrices

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CCSS.HSN.VM.C.10

The identity matrix for 2 x 2 matrices is:

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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.

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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.

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CCSS.HSN.VM.C.10

Which matrix behaves the same way the number 1 does in the real number system?

• inverse

• identity

• square

• zero

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CCSS.HSN.VM.C.10

In a matrix, what is the identity matrix?

• A matrix with all elements equal to 1

• A matrix with all elements equal to 0 except for the diagonal elements which are 1

• A matrix with elements increasing in a diagonal pattern

• A matrix with elements decreasing in a diagonal pattern

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CCSS.HSN.VM.C.10

What is the identity matrix?

• A matrix with all elements equal to 1

• A matrix with all elements equal to 0 except for the diagonal elements which are 1

• A matrix with elements increasing in a diagonal pattern

• A matrix with elements decreasing in a diagonal pattern

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CCSS.HSN.VM.C.10