Which Method Should Be Used to Solve the System? Explain

question 33

Essay

Which method should be used to solve the system? Explain your answer, including a description of the first step.
--7x² - 6y² = 81
x - 2y = -5

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Definitions:

Goodness of Fit

A statistical measure that indicates how well observed data correspond to the expected outcome under a specified model.

Direct Cost

Expenses that can be directly traced to the production of specific goods or services, such as raw materials and labor.

Hourly Labour

Refers to workers who are paid for each hour of work they perform, as opposed to salaried employees who receive a fixed amount regardless of hours worked.

Kitchen Benchtops

The flat surfaces in a kitchen on which food can be prepared, often made from materials such as stone, laminate, or timber.