Find All Solutions of the System $$\left\{ \begin{array} { l } x + y + z + w = 4 \\x - 2 y - z - w = 6 \\2 x - y + z - w = 5 \\x - y + 2 z - 2 w = - 5\end{array} \right.$$

question 5

Multiple Choice

Find all solutions of the system. $$\left\{ \begin{array} { l } x + y + z + w = 4 \\x - 2 y - z - w = 6 \\2 x - y + z - w = 5 \\x - y + 2 z - 2 w = - 5\end{array} \right.$$

• A) \(( 0 , - 2,4,5 )\)
• B) \(( 5,0 , - 3,2 )\)
• C) \(( - 8,2 , - 5,0 )\)
• D) \(\text { The system is dependent. }\)
• E) \(\text { The system is inconsistent. }\)

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Percent

A mathematical term representing a part per hundred, used to describe proportions, ratios, or fractions in terms of hundredths.

Deaths

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Adjustments made to interventions, practices, or assessments to make them more relevant and effective in specific cultural contexts.

Psychological Intervention

A therapeutic action or process aimed at improving a person's mental health or treating mental disorders through psychological means rather than medical.