Which Method Should Be Used to Solve the System? Explain $$\begin{aligned}2 x ^ { 2 } - 4 y ^ { 2 } & = 4 \\9 x + 9 y & = - 1\end{aligned}$$

question 172

Essay

Which method should be used to solve the system? Explain your answer, including a description of the first step.
- $$\begin{aligned}2 x ^ { 2 } - 4 y ^ { 2 } & = 4 \\9 x + 9 y & = - 1\end{aligned}$$

Appreciate the significance of setting objectives as a core aspect of organizational planning.

Discern the nuances between policies, rules, and different planning types.

Recognize the tools and methodologies employed in the planning process, including budgeting and scheduling.

Understand the concept and application of management by objectives in organizational settings.