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Linear Algebra

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Echelon and Reduced Echelon

LINALG-X4U7P7

Which of the following statements are true about the row echelon form of a matrix and the reduced row echelon form of a matrix? Select ALL that apply.

A

If a matrix is in row echelon form, it must be in reduced row echelon form.

B

If a matrix is in reduced row echelon form, it must be in row echelon form.

C

The row echelon form of a matrix is unique.

D

The reduced row echelon form of a matrix is unique.

E

None of the above.