Use Cramer S Rule to Solve the System of Equations $\left\{ \begin{array} { l } x + y + z = 7 \\x + y - z = 5 \\x - y + z = 1\end{array} \right.$

question 88

Multiple Choice

Use Cramer s rule to solve the system of equations, if possible. $\left\{ \begin{array} { l } x + y + z = 7 \\x + y - z = 5 \\x - y + z = 1\end{array} \right.$

• A) \(( - 3,3 , - 1 )\)
• B) \(( 3 , - 3,1 )\)
• C) \(( 3,3,1 )\)
• D) dependent
• E) inconsistent

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Definitions:

Cerebellum

The part of the brain that controls muscular coordination and equilibrium.

Hindbrain

The rear part of the brain that includes the cerebellum and brainstem, involved in regulating basic life functions like heartbeat and breathing.

Brain Parts

Various structures within the brain, each responsible for different functions, such as the cerebrum for thought and action, the cerebellum for movement, and the brainstem for basic life functions.

Basic Life Functions

Fundamental processes necessary for an organism to live, including respiration, nutrition, excretion, and reproduction.