Use the Gauss-Jordan Method to Solve the System of Equations $$\begin{array} { l } x - y + 2 z + w = 4 \\y + z = 4 \\z - w = 3\end{array}$$

question 144

Multiple Choice

Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, let the last
variable be the arbitrary variable.
- $$\begin{array} { l } x - y + 2 z + w = 4 \\y + z = 4 \\z - w = 3\end{array}$$

• A) \(\{ ( - 5,0,4,1 ) \}\)
• B) \(\{ ( - 1,1,3 , w ) \}\)
• C) \(\varnothing\)
• D) \(\{ ( - 1 - 4 w , 1 - w , 3 + w , w ) \}\)

Understand safety precautions for starting and charging systems.

Identify and utilize the proper tools and tests for diagnosing starting and charging system issues.

Understand the electrical characteristics and requirements of starting and charging systems, including voltage and amperage.

Know the process for safely removing and installing components within starting and charging systems.

---

Definitions:

Net Income

The total profit of a company after all expenses, taxes, and costs have been subtracted from total revenue, indicating the company's profitability.

Prepaid Insurance

An asset account that represents the amount of insurance premiums paid in advance for coverage that extends beyond the current accounting period.

Consulting Revenue

Income earned by a business or individual for providing expert advice or consultancy services in their field of expertise.

Rent Expense

An expenditure recorded by a company for the use of rental property or equipment.