​Solve the System of Linear Equations​ $$\left\{ \begin{array} { l l } 9 x + 9 y + 9 z & = 1 \\27 x + 45 y + 36 z & = - 3 \\27 x + 54 y + 45 z & = 2\end{array} \right.$$

question 31

Multiple Choice

​Solve the system of linear equations​ $$\left\{ \begin{array} { l l } 9 x + 9 y + 9 z & = 1 \\27 x + 45 y + 36 z & = - 3 \\27 x + 54 y + 45 z & = 2\end{array} \right.$$ ​using the inverse matrix $$\frac { 1 } { 9 } \left[ \begin{array} { c c c } 1 & 1 & - 1 \\- 3 & 2 & - 1 \\3 & - 3 & 2\end{array} \right]$$ .

• A)​ \[\left[ \begin{array} { l }
• x \\
• y \\
• z
• \end{array} \right] = \left[ \begin{array} { c }
• \frac { 5 } { 9 } \\\\
• \frac { - 2 } { 3 } \\\\
• \frac { 4 } { 9 }
• \end{array} \right]\]
• B)​ \[\left[ \begin{array} { l }
• x \\
• y \\
• z
• \end{array} \right] = \left[ \begin{array} { c }
• \frac { - 4 } { 9 } \\\\
• \frac { - 11 } { 9 } \\\\
• \frac { 16 } { 9 }
• \end{array} \right]\]
• C)​ \[\left[ \begin{array} { l }
• x \\
• y \\
• z
• \end{array} \right] = \left[ \begin{array} { c }
• \frac { - 11 } { 9 } \\\\\
• \frac { 16 } { 9 } \\\\
• \frac { - 4 } { 9 }
• \end{array} \right]\]
• D)​ \[\left[ \begin{array} { l }
• x \\
• y \\
• z
• \end{array} \right] = \left[ \begin{array} { c }
• \frac { 5 } { 9 } \\\\
• \frac { 1 } { 3 } \\\\
• \frac { - 2 } { 9 }
• \end{array} \right]\]
• E)​ \[\left[ \begin{array} { l }
• x \\
• y \\
• z
• \end{array} \right] = \left[ \begin{array} { c }
• \frac { 16 } { 9 } \\\\
• \frac { - 4 } { 9 } \\\\
• \frac { - 11 } { 9 }
• \end{array} \right]\]

Prepare adjusting journal entries for depreciation, amortization, and impairment of assets.

Account for the sale or disposal of depreciable assets and calculate gain or loss on disposition.

Understand the principles of asset impairment and how to record it.

Prepare journal entries for transactions involving intangible assets including purchase, amortization, and impairment.

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