Solve the System by Using the Inverse of the Coefficient $$\begin{array} { r } x + 3 y = - 8 \\21 x + 6 y = 3\end{array}$$

question 403

Multiple Choice

Solve the system by using the inverse of the coefficient matrix.
- $$\begin{array} { r } x + 3 y = - 8 \\21 x + 6 y = 3\end{array}$$

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

---

Definitions:

Insider Information

Privileged, confidential information about the operations, financial condition, or prospects of a company, known by individuals within the company and not available to the public.

Securities Commission

A regulatory agency responsible for enforcing the laws regarding securities and protecting investors by regulating the securities industry.

Online Bankers

Banking professionals who operate internet-based banking services.

Insider Information

Privileged, non-public information regarding the affairs, operations, or future prospects of a company, which can be exploited for financial gain.