Understand What Is Meant by Equal Matrices
Find Values for the Variables

question 125

Multiple Choice

Understand What is Meant by Equal Matrices
Find values for the variables so that the matrices are equal.
- $$\left[ \begin{array} { r r } x + 3 & y + 4 \\7 & 6\end{array} \right] = \left[ \begin{array} { r r } 5 & - 4 \\7 & z\end{array} \right]$$

• A) \(x = 2 ; y = - 8 ; z = 6\)
• B) \(x = - 2 ; y = 8 ; z = - 6\)
• C) \(x = 5 ; y = - 4 ; z = 6\)
• D) \(x = 2 ; y = 6 ; z = 5\)

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Definitions:

Statement Savings Account

A statement savings account is a type of savings account that provides the account holder with periodic statements, detailing transactions and balances.

Compounded Continuously

The theoretical concept where the interest on an investment is calculated and added to the principal continuously, leading to exponential growth.

Compounded Annually

Interest on an investment that is calculated once per year, taking into account the interest that has accumulated up to that point.

Compounded Daily

The process of calculating interest on both the initial principal and the accumulated interest from previous periods, with the compound frequency being every day.