Decide Whether or Not the Matrices Are Inverses of Each

question 301

Multiple Choice

Decide whether or not the matrices are inverses of each other.
- $$\left[ \begin{array} { r r } 6 & - 5 \\- 3 & 5\end{array} \right] \text { and } \left[ \begin{array} { c c } \frac { 1 } { 3 } & \frac { 1 } { 3 } \\\frac { 1 } { 5 } & \frac { 2 } { 5 }\end{array} \right]$$

• A) Yes
• B) No

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Definitions:

Depreciation

The method of distributing the expense of a physical asset throughout its life span.

Double-Declining-Balance

An accelerated method of depreciation where an asset loses value at double the rate of the straight-line depreciation method.

Residual Value

The estimated salvage value of an asset at the end of its useful life, used in calculating depreciation.

Depreciation

The process of allocating the cost of tangible assets over their useful lives, reflecting the decrease in their value over time.