Solve the System $\left\{ \begin{array} { l } 9 x - y = 7 \\8 x + 9 y = - 9\end{array} \right.$

question 18

Multiple Choice

Solve the system $\left\{ \begin{array} { l } 9 x - y = 7 \\8 x + 9 y = - 9\end{array} \right.$ by Cramer s rule. Write the determinant $D _ { x }$ .

• A) \(\mid \begin{array} { c c }
• 9 & - 1 \\
• 8 & 9
• \end{array}\)
• B) \(\left| \begin{array} { c c }
• 7 & - 1 \\
• - 9 & 9
• \end{array} \right|\)
• C) \(\begin{array} { c c }
• 9 & 7 \\
• 8 & - 9
• \end{array}\)
• D) \(\left| \begin{array} { c c }
• - 7 & - 1 \\
• 9 & 9
• \end{array} \right|\)

Recognize the significance of engagement in communities of practice and the development of shared vocabularies and lessons.

Identify the process and importance of developing team mental models for shared understanding.

Understand the application of knowledge in practical settings through knowledge adaptation.

Learn strategies for mitigating information asymmetry and enhancing decision-making quality in teams.

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Definitions:

Archaic Statues

Sculptures from the Archaic period of Greece (circa 650-480 BCE), characterized by a stylized approach to the human figure, notably the ‘Archaic smile’.

Cycladic

Pertaining to the Cyclades, a group of Greek islands in the Aegean Sea, known for their distinctive ancient art, especially marble figurines.

Egyptian Influence

The impact of ancient Egyptian art, culture, religious practices, and architecture on other civilizations throughout history.

Hellenistic Image

Artwork from the Hellenistic period (323-31 BC) characterized by its dramatic expression, intricate detail, and the portrayal of emotion.