Determinants and Cramer's Rule
1 Evaluate a Second-Order Determinant
- $\left| \begin{array} { r r } - 1 & 1 \\ 2 & 2 \end{array} \right|$

question 16

Multiple Choice

Determinants and Cramer's Rule
1 Evaluate a Second-Order Determinant
- $\left| \begin{array} { r r } - 1 & 1 \\ 2 & 2 \end{array} \right|$

• A) \(- 4\)
• B) 0
• C) 4
• D) \(- 5\)

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Definitions:

Neurotransmitter Levels

The concentration of chemical messengers in the brain that transmit signals across synapses from one neuron to another.

Hippocampus

A major component of the brain in humans and other vertebrates, involved in memory formation, navigation, and the emotional response system.

Lead

A toxic metal that can cause harmful effects when absorbed by the body, historically used in products like paint and gasoline.

Reticular Formation

A complex network of neural pathways in the central region of the brainstem that plays a key role in regulating alertness and sleep-wake cycles.