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The Matrix Is the Reduced Echelon Matrix for a System [100000100−8001000001−9]\left[ \begin{array} { r r r r | r } 1 & 0 & 0 & 0 & 0 \\0 & 1 & 0 & 0 & - 8 \\0 & 0 & 1 & 0 & 0 \\0 & 0 & 0 & 1 & - 9\end{array} \right]

Question 103

Multiple Choice

The matrix is the reduced echelon matrix for a system with variables x 1 , x 2 , x 3 , and x 4 . Find the solution set of the system. [100000100−8001000001−9]\left[ \begin{array} { r r r r | r } 1 & 0 & 0 & 0 & 0 \\0 & 1 & 0 & 0 & - 8 \\0 & 0 & 1 & 0 & 0 \\0 & 0 & 0 & 1 & - 9\end{array} \right]


A) ( −- 3, −- 10, 2, −- 12)
B) (0, −- 10, 0, −- 12)
C) (3, −- 8, −- 2, −- 9)
D) (0, −- 8, 0, −- 9)
E) inconsistent

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