Use Cramer's Rule to Solve the System $\left\{ \begin{array} { r } x + z = 3 \\y + 2 z = 1 \\- y + z = - 1\end{array} \right.$

question 7

Multiple Choice

Use Cramer's Rule to solve the system. $\left\{ \begin{array} { r } x + z = 3 \\y + 2 z = 1 \\- y + z = - 1\end{array} \right.$

• A) \(( 3,1,0 )\)
• B) \(( - 3 , - 1,0 )\)
• C) \(( 2,1,10 )\)
• D) \(( - 3,2,0 )\)
• E) \(( - 3,1,3 )\)

Comprehend means-end analysis and its application in solving problems.

Distinguish between well-defined and ill-defined problems.

Recognize the role of restructuring and analogies in problem solving.

Identify the impact of mental sets and functional fixedness on problem-solving abilities.

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