Unformatted text preview: ____c. Elementary row operations on an augmented matrix can change the solution set of the
associated linear system.
____d. A consistent system of linear equations always has one or more solutions.
____e. The reduced echelon form of a matrix may not be unique.
____f. A general solution of a system is an explicit description of all solutions of the system.
____g. If the columns of an m n matrix A span
each b in m m , then the equation Ax b is consistent for . ____h. If the equation Ax b is consistent, then b is in the set spanned by the columns of A.
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