Find the Complete Solution of the System $$\left\{ \begin{array} { r } x + y + z = 3 \\x - y + z = - 2 \\x + y + 3 z = 1\end{array} \right.$$

question 1

Multiple Choice

Find the complete solution of the system. $$\left\{ \begin{array} { r } x + y + z = 3 \\x - y + z = - 2 \\x + y + 3 z = 1\end{array} \right.$$

• A) \(( 3,5,1 )\)
• B) \(\left( \frac { 3 } { 2 } , \frac { 5 } { 2 } , - 1 \right)\)
• C) \(\left( 0 , \frac { 5 } { 2 } , - 1 \right)\)
• D) \(\left( 2 , \frac { 3 } { 2 } , - 1 \right)\)
• E)none

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Definitions:

Interjudge Agreement

The degree of alignment or consensus in the assessments or decisions made by different observers or judges.

Internal Consistency

A measure of the reliability of a psychological test or survey, based on the correlation between responses to items within the test.

Social Impression

The perception or judgment made by individuals based on the actions, behavior, or appearance of others.

Self-Assessment

The practice of evaluating one's own abilities, performance, or characteristics, often in the context of learning or personal development.