Understand What Is Meant by Equal Matrices
- $$\left[ \begin{array} { r r } 6 & - 8 \\- 7 & 9\end{array} \right] = \left[ \begin{array} { r r } x y \\- 7 & z\end{array} \right]$$

question 139

Multiple Choice

Understand What is Meant by Equal Matrices
- $$\left[ \begin{array} { r r } 6 & - 8 \\- 7 & 9\end{array} \right] = \left[ \begin{array} { r r } x y \\- 7 & z\end{array} \right]$$

• A) \(x = 6 ; y = - 8 ; z = 9\)
• B) \(x = 6 ; y = - 8 ; z = - 7\)
• C) \(x = 6 ; y = - 7 ; z = 9\)
• D) \(x = - 8 ; y = 6 ; z = 9\)

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Definitions:

Import Goods

Products brought into a country from abroad for sale, typically to meet domestic demand for goods that are not produced locally.

Quotas

Limitations set by a government on the amount of a specific good that can be imported or exported during a specified time frame, often used to protect domestic industries.

Reducing Imports

A strategy aimed at decreasing the volume of goods and services a country buys from abroad, often to support domestic production.

Voluntary Agreements

Contracts or arrangements entered into freely by parties without coercion, commonly seen in business or employment contexts.