Use an Inverse Matrix to Find the Solution to the System

question 194

Multiple Choice

Use an inverse matrix to find the solution to the system.
- $$\left\{ \begin{array} { l } - 3 x - 7 y - 2 z = - 43 \\- 9 x + 6 y + 5 z = 2 \\- 5 x - 7 y + 5 z = - 4\end{array} \right.$$

• A) \(x = 5 , y = 2 , z = 7\)
• B) \(x = 2 , y = 7 , z = 2\)
• C) \(x = 6 , y = 0 , z = 7\)
• D) \(x = 5 , y = - 2 , z = - 7\)

---

Definitions:

Music Download Services

Online platforms or applications that allow users to purchase and download music tracks and albums directly to their digital devices.

University Students

Individuals enrolled in an institution of higher education to pursue various academic degrees.

Low Income Housing

Affordable housing targeted towards individuals or families with low household income.

P-value

A statistical measure that indicates the probability of the observed data given the null hypothesis is true, used to determine significance.