Solve the System of Linear Equations and Check Any Solution $$\left\{ \begin{array} { c } x + 4 z = 1 \\x + y + 10 z = 10 \\2 x - y + 2 z = - 5\end{array} \right.$$

question 7

Multiple Choice

Solve the system of linear equations and check any solution algebraically.? $$\left\{ \begin{array} { c } x + 4 z = 1 \\x + y + 10 z = 10 \\2 x - y + 2 z = - 5\end{array} \right.$$ ?

• A)? \(( 4,10 , - 2 )\)
• B)? \(( - 4,10,2 )\)
• C)? \(( - 4,10 , - 2 )\)
• D)? \(( 4,10,2 )\)
• E)No solution

---

Definitions:

Variable Costing

A method of costing that includes only variable production costs (costs that vary with production volume) in the cost of goods sold and excludes fixed manufacturing overhead.

Net Operating Income

Earnings derived from a company's regular business activities, excluding deductions of interest and taxes.

Net Operating Income

Income from a company's operations, excluding taxes and interest, reflecting the profitability of the core business activities.

Unit Product Cost

The total cost associated with producing one unit of a product, including direct materials, labor, and allocated overhead.