Use Gauss-Jordan Elimination to Solve the Linear System and Determine $$\begin{array} { r r } x + 8 y + 8 z = & 8 \\7 x + 7 y + z = & 1 \\8 x + 15 y + 9 z = & - 9\end{array}$$

question 88

Multiple Choice

Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered
triple involving variable z.
- $$\begin{array} { r r } x + 8 y + 8 z = & 8 \\7 x + 7 y + z = & 1 \\8 x + 15 y + 9 z = & - 9\end{array}$$

• A)no solution
• B)(1, -1, 1)
• C)(-1, 0, 1)
• D)(0, 0, 1)

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