Determine Whether the Matrix Is in Echelon Form, Reduced Echelon $$\left[ \begin{array} { r r r r } 1 & 2 & 5 & - 7 \\0 & 1 & - 4 & 9 \\0 & 0 & 1 & 2\end{array} \right]$$

question 53

Multiple Choice

Determine whether the matrix is in echelon form, reduced echelon form, or neither.
- $$\left[ \begin{array} { r r r r } 1 & 2 & 5 & - 7 \\0 & 1 & - 4 & 9 \\0 & 0 & 1 & 2\end{array} \right]$$

• A)Reduced echelon form
• B)Echelon form
• C)Neither

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Definitions:

Straight-Line Depreciation

A technique for distributing the expense of an asset equally over its lifespan.

Book Value

A financial metric that calculates the net asset value of a company's assets minus its liabilities, representing the shareholders' equity value in accounting terms.

Depreciation Expense

The portion of a fixed asset's cost allocated to expense across its useful life, reflecting the asset's consumption or decline in value.

Straight-Line

An approach where the expense of an asset is uniformly allocated across its lifespan to calculate depreciation.