Solve the System by the Best Method $$\left\{ \begin{array} { l } - 2 x - 8 y = - 38 \\6 x - 9 y = - 18\end{array} \right.$$

question 57

Multiple Choice

Solve the system by the best method. Use set notation to express the solution set.
- $$\left\{ \begin{array} { l } - 2 x - 8 y = - 38 \\6 x - 9 y = - 18\end{array} \right.$$

• A) \(\{ ( - 3,5 ) \}\)
• B) \(\{ ( 3,4 ) \}\)
• C) \(\{ ( 2,5 ) \}\)
• D) no solution; \(\varnothing\)

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Definitions:

Insight

A sudden and often novel realization of the solution to a problem; it contrasts with strategy-based solutions.

Arrangement

The act or process of putting things in a particular order or configuration.

Trial-And-Error

A fundamental method of solving problems, involving multiple attempts, learning from mistakes, and trying again until success is achieved.

Possible Solutions

Refers to various alternatives or methods available for solving a problem or achieving an outcome.