Solve the System by Using the Inverse of the Coefficient $$\begin{array} { c } - 5 x - y - 5 z = - 43 \\4 x \quad + 4 z = 32 \\6 y + z = 24\end{array}$$

question 322

Multiple Choice

Solve the system by using the inverse of the coefficient matrix.
- $$\begin{array} { c } - 5 x - y - 5 z = - 43 \\4 x \quad + 4 z = 32 \\6 y + z = 24\end{array}$$

• A) \(\{ ( 2,6,3 ) \}\)
• B) \(\{ ( - 2,3,4 ) \}\)
• C) \(\varnothing\)
• D) \(\{ ( 2,3,6 ) \}\)

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Definitions:

Superego

In psychoanalytic theory, the part of the personality that represents internalized ideals, morals, and societal norms, guiding behavior through conscience.

Ego

In psychoanalytic theory, the part of the psyche that mediates demands from the id, superego, and reality.

Id

A component of Sigmund Freud's model of the psyche that is the source of instinctual impulses and demands for immediate satisfaction of primitive needs.

Self-Efficacy

One’s sense of competence and effectiveness.