The rank of the given matrix, determined using its column echelon form, is 2.

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Here are 5 related questions to expand on this topic:

1. What is the definition of a matrix rank?
2. How does column echelon form differ from row echelon form?
3. Can the rank of a matrix change if a row is added or removed?
4. What does the rank of a matrix tell us about the solution to a system of equations?
5. How can we compute the rank of a matrix using determinant properties?

Tip: The rank of a matrix is the maximum number of linearly independent columns (or rows) it contains.