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

question 18

Multiple Choice

Solve the system of equations by using the inverse of the coefficient matrix.
- $\begin{array}{l}2 x+4 y+z=-10 \\4 x-4 y-z=-8 \\5 x+y+4 z=-1\end{array}$

• A) \( (-3,4,-2) \)
• B) \( (-3,-2,4) \)
• C) \( (4,-2,-3) \)
• D) No inverse, no solution for system

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Definitions:

Vision

The sense or ability to perceive light and distinguish objects and forms based on their visual properties.

Hearing

The sensory process by which sound is perceived through the ear, involving the detection of sound waves and their transmission to the brain.

Hearing Loss

A partial or total inability to hear sound in one or both ears.

Background Noise

Ambient sound that is not the primary focus but may interfere with or alter the perception of the main audio being listened to or recorded.