Solve the Matrix Equation A) $x = 2 , y = - 1 , z = 4$

question 7

Multiple Choice

Solve the matrix equation.
- $\left[ \begin{array} { r r r } 2 & 8 & 6 \\ 4 & 2 & - 2 \\ 3 & - 1 & 1 \end{array} \right] \left[ \begin{array} { l } x \\ y \\ z \end{array} \right] = \left[ \begin{array} { l } 20 \\ - 2 \\ 11 \end{array} \right]$

• A) \(x = 2 , y = - 1 , z = 4\)
• B) \(x = 2 , y = 1 , z = 6\)
• C) \(x = - 1 , y = 6 , z = 1\)
• D) \(x = - 1 , y = 2 , z = 1\)

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Definitions:

Bank Statement Balance

The ending balance on a bank statement for a particular period, reflecting all transactions including deposits, withdrawals, fees, and interest earned.

Cash Account Balance

Cash account balance represents the amount of cash or cash equivalents a company or individual holds in their account at any given time.

Outstanding Checks

Checks that have been written and recorded in a company's books, but not yet cleared or deducted from the bank account balance.

Deposits In Transit

Funds that have been received and recorded by a business but not yet credited by its bank, affecting the reconciliation of bank statements.