Use Cramer's Rule to Solve the System of Equations $\begin{array} { c } - 3 x - 7 y - 6 z = - 65 \\5 x + 9 y - 5 z = 43 \\9 x - 9 y + 8 z = 95\end{array}$

question 78

Multiple Choice

Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.
$\begin{array} { c } - 3 x - 7 y - 6 z = - 65 \\5 x + 9 y - 5 z = 43 \\9 x - 9 y + 8 z = 95\end{array}$

• A) {(9,-2,-4)}
• B) {(9,2,4)}
• C) {(10,0,4)}
• D) {(2,4,2)}

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Definitions:

Instinctive Drift

The tendency of an animal to revert to instinctual behaviors that interfere with a learned response.

Motor Reproduction

The process of imitating or replicating a specific motor action observed in others.

Observational Learning

A learning process through which individuals acquire new behaviors, skills, or attitudes by watching others, also known as modeling.

Attention

The mental activity of focusing attention on a single element of one's surroundings, while disregarding other stimuli.