Find the Z -Coordinate of the Solution of the System $\left\{ \begin{array} { l } x - y + z = 5 \\x + 2 y - z = - 3 \\x + y - 5 z = - 5\end{array} \right.$

question 44

Multiple Choice

Find the z -coordinate of the solution of the system $\left\{ \begin{array} { l } x - y + z = 5 \\x + 2 y - z = - 3 \\x + y - 5 z = - 5\end{array} \right.$ .

• A) z=8
• B) z=2
• C) z=-2
• D) z=1

---

Definitions:

Interference Theory

A theory in psychology that explains how new information can sometimes cause forgetting of old information.

Decay

The gradual reduction in the strength, quality, or quantity of something over time.

Peg Method

A mnemonic technique that involves associating items to be remembered with a list of peg words you have memorized in advance.

Method of Loci

A mnemonic strategy that involves visualizing items to be remembered in specific physical locations.