Worksheet: Elementary Row Operations

In this worksheet, we will practice performing elementary row operations on a matrix and how to represent a system of linear equations as an augmented matrix.

Q1:

Suppose that matrix 𝐵 is obtained by performing a sequence of row operations on 𝐴 . Can 𝐴 be obtained by performing row operations on 𝐵 ?

  • AYes
  • BNo
  • CIn special cases
  • DThere is not enough information provided to determine this.

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