Solve the System Using Gaussian Elimination or Gauss-Jordan Elimination $\begin{array} { l } 3 x + 2 y + 7 z = 38 \\9 x + 6 y + 21 z = 114 \\0.6 x + 0.4 y + 1.4 z = 7.6\end{array}$

question 25

Multiple Choice

Solve the system using Gaussian elimination or Gauss-Jordan elimination.
- $\begin{array} { l } 3 x + 2 y + 7 z = 38 \\9 x + 6 y + 21 z = 114 \\0.6 x + 0.4 y + 1.4 z = 7.6\end{array}$

• A){ }
• B) { ( x , y , z )| 3 x +2 y +7 z = 38 }
• C) \(\{ ( -1,-4,7 ) \}\)
• D) \(\{ ( 1,4,-7) \}\)

---

Definitions:

Provided Data

Information or statistics made available or given to support analysis, decision-making, or reporting.

Return on Total Assets

A financial ratio that measures the profitability of a company in relation to its total assets, indicating how efficiently a company is using its assets to generate profit.

Beginning Balance

The amount of money or value of assets in an account at the start of a new financial period, serving as the initial point for accounting calculations.

Current Ratio

A financial ratio indicating how well a company can meet its short-term debts using its existing assets.