Write the system of linear equations represented by the augmented matrix.Then use back-substitution to solve.(Use variables x, y, and z.) $\left[\begin{array}{rrrrr}
1 & 2 & 5 & \vdots & 34 \
0 & 1 & 2 & \vdots & 14 \
0 & 0 & 1 & \vdots & 5
\end{array}\right]$
A)x = 35, y = -3, z = 1
B)x = 4, y = 1, z = 5
C)x = 1, y = -4, z = -5
D)x = 1, y = 4, z = 5
E)x = -4, y = 5, z = -1

Question

Quizplus · Accepted Answer

The Answer of Write the system of linear equations represented by the augmented matrix.Then use back-substitution to solve.(Use variables x, y, and z.) $\left[\begin{array}{rrrrr}
1 & 2 & 5 & \vdots & 34 \
0 & 1 & 2 & \vdots & 14 \
0 & 0 & 1 & \vdots & 5
\end{array}\right]$
A)x = 35, y = -3, z = 1
B)x = 4, y = 1, z = 5
C)x = 1, y = -4, z = -5
D)x = 1, y = 4, z = 5
E)x = -4, y = 5, z = -1

Write the System of Linear Equations Represented by the Augmented [125⋮34012⋮14001⋮5]\left[\begin{array}{rrrrr}1 & 2 & 5 & \vdots & 34 \\0 & 1 & 2 & \vdots & 14 \\0 & 0 & 1 & \vdots & 5\end{array}\right]​100​210​521​⋮⋮⋮​34145​​

Write the System of Linear Equations Represented by the Augmented $\left[\begin{array}{rrrrr}1 & 2 & 5 & \vdots & 34 \\0 & 1 & 2 & \vdots & 14 \\0 & 0 & 1 & \vdots & 5\end{array}\right]$