Solve the System by Using the Inverse of the Coefficient $$\begin{array} { l } - 3 x + y + 3 z - w = - 1 \\- x - 4 y + z - 2 w = - 15 \\- 4 x + 3 y - 3 z + w = 20 \\3 x - y - z - 2 w = - 6\end{array}$$

question 426

Multiple Choice

Solve the system by using the inverse of the coefficient matrix.
- $$\begin{array} { l } - 3 x + y + 3 z - w = - 1 \\- x - 4 y + z - 2 w = - 15 \\- 4 x + 3 y - 3 z + w = 20 \\3 x - y - z - 2 w = - 6\end{array}$$

• A) \(\{ ( - 1 , - 3,2 , - 1 ) \}\)
• B) \(\{ ( - 3,4 , - 1 , - 1 ) \}\)
• C) \(\varnothing\)
• D) \(\{ ( - 1,3 , - 2,1 ) \}\)

Explanation of service of process and its importance in the legal proceedings.

Understand the tools and processes of discovery, including depositions, interrogatories, and requests for production of documents.

Recognize the types of counterclaims and defenses in legal proceedings.

Understand the appellate process and the grounds for appeal in both civil and criminal cases.

---

Definitions:

Mode

The value that appears most frequently in a dataset.

Sample Mean

The average value of a sample set of numbers, calculated by adding all the observations and dividing by the number of observations.

Observations

Data points or values recorded during an experiment or study.

Sample

A subset of individuals, items, or data from a larger population used to estimate characteristics of the whole population.