Which of the Following Ordered Triples Is a Solution of the System

question 266

Multiple Choice

Which of the following ordered triples is a solution of the system $\left\{ \begin{array} { l } x - 2 y + 3 z = 21 \\3 x - 6 y - z = 13 \\5 x - 2 y + z = 19\end{array} \right.$ ?

• A) \(\left( 2 , - 2 , \frac { 1 } { 9 } \right)\)
• B) \(\left( 2 , - \frac { 13 } { 8 } , 2 \right)\)
• C) \(( 2 , - 11 , - 2 )\)
• D) \(( 2 , - 2,5 )\)

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Definitions:

Ending Capital Balance

The amount of money that a company or individual has in their capital account at the end of a fiscal period, after all transactions have been accounted for.

Net Purchases

The total amount of purchases after subtracting any purchases returns, allowances, and discounts.

Withdrawal Account

An account in a partnership or sole proprietorship that records the amounts taken out of the business by the owner for personal use.