Which Method Should Be Used to Solve the System? Explain $$\begin{aligned}x ^ { 2 } + y ^ { 2 } & = 49 \\- 6 x - 4 y & = 7\end{aligned}$$

question 22

Essay

Which method should be used to solve the system? Explain your answer, including a description of the first step.
- $$\begin{aligned}x ^ { 2 } + y ^ { 2 } & = 49 \\- 6 x - 4 y & = 7\end{aligned}$$

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Definitions:

Simple Random Samples

A subset of individuals chosen from a larger set, where each individual has an equal chance of being selected.

Selection Bias

A type of bias caused by selecting non-random data for statistical analysis, which can affect the validity of conclusions.

Systematic Tendency

A consistent, directional bias or movement in a series of data or measurements, often due to a specific cause.

Individuals

Single entities or members of a population being studied or considered in a statistical or observational analysis.