Which Method Should Be Used to Solve the System? Explain $$\begin{array} { l } x ^ { 2 } - y ^ { 2 } = 49 \\x - 4 y = 9\end{array}$$

question 210

Essay

Which method should be used to solve the system? Explain your answer, including a description of the first step.
- $$\begin{array} { l } x ^ { 2 } - y ^ { 2 } = 49 \\x - 4 y = 9\end{array}$$

---

Definitions:

Retain Information

The capacity to remember or hold onto information over time.

Ended

Having come to a conclusion or termination; the final point of something.

Phonological Loop

A component of the working memory model that deals with auditory information, allowing us to retain and manipulate spoken and written material.

Working Memory

A cognitive system that holds information temporarily for processing and manipulation.