Solve the System of Equations by Using the Inverse of the Coefficient

question 104

Multiple Choice

Solve the system of equations by using the inverse of the coefficient matrix.
- $\begin{array}{l}4 x+8 y-z=45 \\x+5 y+7 z=99 \\-7 x+y+z=-19\end{array}$

• A) \( (5,9,7) \)
• B) \( (6,7,7) \)
• C) \( (5,-9,-7) \)
• D) \( (9,7,9) \)

Demonstrate the ability to match medical terms with their correct definitions or examples.

Understand the significance of documenting patient education to minimize legal issues.

Recognize key personal attributes, such as resourcefulness and efficiency, that contribute to career advancement.

Apply effective communication techniques in the workplace.

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Definitions:

Extrinsic Eye Muscles

The external muscles that control eye movement, responsible for rotating the eyeball in various directions.

Genioglossus

A muscle in the tongue that is responsible for its movement, enabling speech, swallowing, and positioning of the tongue.

Orbicularis Oris

A complex of muscles in the lips that encircles the mouth, controlling movements such as closing, puckering, and protruding the lips.

Frontal Belly

Part of the occipitofrontalis muscle which moves the scalp, eyebrows, and forehead skin.