Decide Whether or Not Matrix a and Matrix B Are

question 168

Multiple Choice

Decide whether or not matrix A and matrix B are inverses.
- $$A = \left[ \begin{array} { c c } 10 & 1 \\- 1 & 0\end{array} \right] \text { and } B = \left[ \begin{array} { r r } 0 & 1 \\- 1 & 10\end{array} \right]$$

• A) Yes
• B) No

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Definitions:

Pesos

Pesos are the unit of currency in several countries, including Mexico and the Philippines.

Purchasing-Power Parity

An economic principle positing that currency exchange rates reach equilibrium when the purchasing power in both countries involved is equal.

Depreciated

The decrease in value of an asset over time, often due to wear and tear or obsolescence.

Appreciated

A term often used in finance and economics to describe an increase in the value of an asset or currency.