Solve the System of Equations by Using an Inverse Matrix $$\begin{array} { l } - 5 x + 3 y = 8 \\2 x - 4 y = - 20\end{array}$$

question 246

Multiple Choice

Solve the system of equations by using an inverse matrix.
- $$\begin{array} { l } - 5 x + 3 y = 8 \\2 x - 4 y = - 20\end{array}$$
$2 x - 4 y = - 20$

• A) \(( - 2 , - 6 )\)
• B) \(( 6,2 )\)
• C) \(( 2,6 )\)
• D) \(( - 6 , - 2 )\)

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Definitions:

Nicotine

A stimulating and highly addictive chemical found in tobacco that affects the central nervous system.

Acetylcholine

A neurotransmitter in the brain and body that plays significant roles in muscle activation, memory, and learning.

Half-life

The time required for the concentration of a substance in the body to decrease by half, often used in the context of drug metabolism.

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The ingestion, inhalation, injection, or application of psychoactive substances, which may lead to addiction in some individuals.