Determine the First Step in Solving the System $\left\{ \begin{array} { l } 6 x + y - 6 z = - 3 \\8 x - 7 y - z = - 12 \\x - 5 y - 4 z = - 3\end{array} \right.$

question 32

Multiple Choice

Determine the first step in solving the system $\left\{ \begin{array} { l } 6 x + y - 6 z = - 3 \\8 x - 7 y - z = - 12 \\x - 5 y - 4 z = - 3\end{array} \right.$ by matrices.

• A) Multiply row 1 by \(- 6\) .
• B) Interchange rows 1 and 3.
• C) Interchange rows 1 and 2.
• D) Multiply row 2 by \(\frac { 1 } { 8 }\) .

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Definitions:

Therapeutic Alliance

A bond of trust and mutual understanding between a healthcare provider and a patient, critical for effective therapy.

Collectivism

Giving priority to the goals of one’s group (often one’s extended family or work group) and defining one’s identity accordingly.

Individualism

A sociopolitical concept that champions individual rights above the influence or regulation by state or communal organizations.

Therapeutic Lifestyle Change

Lifestyle modifications aimed at improving health and well-being, often used to manage or prevent disease.