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## Homework Statement

In a 2x2 matrix are these considered RREF?

(0 0, 0 0) and (0 1, 0 0)

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- Thread starter maximade
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In a 2x2 matrix are these considered RREF?

(0 0, 0 0) and (0 1, 0 0)

- #2

Hurkyl

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Well, is the definition of RREF?

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In linear algebra a matrix is in row echelon form if

* All nonzero rows (rows with at least one nonzero element) are above any rows of all zeroes, and

* The leading coefficient (the first nonzero number from the left, also called the pivot) of a nonzero row is always strictly to the right of the leading coefficient of the row above it.

- #4

Hurkyl

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And what is the third condition, for

- #5

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From the looks of it, it looks like it follows those properties, but I'm just confused if it is still rref if everything is 0, since it doesn't have a leading 1.

- #6

Mark44

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[0 1]

[0 0]

The leading entry in the first row is a 1.

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