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    Mathematics
  3. Study Set
    Elementary and Intermediate Algebra A Combined Approach
  4. Exam
    Exam 15: Systems of Equations: Matrices and Determinants
  5. Question
    The Matrix Is in Reduced Echelon Form\[\left. \left[ \begin{array} { c c c c } 1 & 0 & 0 & 4 \\ 0 & 1 & 0 & - 8 \\ 0 & 0 & 1 & 9 \\ 0 & 0 & 0 & 0 \end{array} \right] \quad \begin{array} { c } 7 \\ 10 \\ 1 \\ 0 \end{array} \right]\]
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The Matrix Is in Reduced Echelon Form

Question 227

Question 227

True/False

The matrix is in reduced echelon form. [1004010−800190000]71010]\left. \left[ \begin{array} { c c c c } 1 & 0 & 0 & 4 \\0 & 1 & 0 & - 8 \\0 & 0 & 1 & 9 \\0 & 0 & 0 & 0\end{array} \right] \quad \begin{array} { c } 7 \\10 \\1 \\0\end{array} \right]​1000​0100​0010​4−890​​71010​​

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