Which Method Should Be Used to Solve the System? Explain

question 3

Essay

Which method should be used to solve the system? Explain your answer, including a description of the first step.
-x² + 9y² = 9
7x² + 8y² = 81

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Definitions:

Longus Capitis

A muscle in the neck that aids in flexing the head and neck forward, contributing to head movement and stability.

Palatopharyngeus

A muscle of the pharynx which plays a role in swallowing by helping close the nasopharynx and elevating the pharynx.

Sternocleidomastoid

A muscle in the neck that plays a key role in the movement of the head.

Temporalis

A broad, fan-shaped muscle on each side of the head that is involved in chewing and helps to close the jaw.