$\left\{ \begin{array} { l } 2 x - 5 z + w = - 1 \\- x + 2 y + z - 2 w = 1 \\4 x - y + 5 w = - 2 \\y - 2 z - w = 0\end{array} \right.$

question 180

Multiple Choice

$\left\{ \begin{array} { l } 2 x - 5 z + w = - 1 \\- x + 2 y + z - 2 w = 1 \\4 x - y + 5 w = - 2 \\y - 2 z - w = 0\end{array} \right.$

• A) x=-2, y=4, z=3, w=-5
• B) x=4, y=-2, z=-7, w=-4
• C) x=3, y=0, z=-1, w=0
• D) x=4, y=-2, z=1, w=-4

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Definitions:

Principal

The initial amount of money borrowed or invested, excluding any interest or dividends.

Compounded Monthly

Interest on an investment or loan calculated and added to the principal amount on a monthly basis.

Future Payments

Payments that are scheduled to occur at future dates as part of a financial agreement or plan.

Debtor

A person or entity that owes money to another, typically as the result of a loan or other financial agreement.