MathAlgebraLinear algebraSystems of linear equations

Row echelon form

Reduced row echelon form

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Choose the correct statements about matrices in reduced row echelon form:

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Leading entry cannot be equal to 1

If there is a leading entry in a row, then all elements of a row to the right of the leading entry are equal to 0

Each non-zero row has only one leading entry that is equal to 1

If a column contains a leading entry of some row, then all other entries in that column are equal to 0

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