Solve the System of Equations by Using the Inverse of the Coefficient

question 67

Multiple Choice

Solve the system of equations by using the inverse of the coefficient matrix if it exists and by the echelon method if the inverse doesn't exist.
- $$\begin{array}{l}3 x+y=15 \\2 x+4 y=0\end{array}$$

• A) \( (-3,-6) \)
• B) \( (6,-3) \)
• C) \( (-3,6) \)
• D) No inverse, no solution for system

---

Definitions:

Statutes

Laws established by a legislative body to regulate, authorize, sanction, grant, declare, or restrict.

Ethical Decisions

Choices made based on moral principles and values, considering what is right and fair for all involved parties.

Entrepreneurs

Individuals who initiate, manage, and accept the risks of a business venture in order to make a profit.

Ethical Decisions

Ethical decisions are choices made based on moral principles and values, aimed at doing what is right and beneficial for the majority, often involving considerations of fairness, justice, and respect for others.