Use the Gauss-Jordan Method to Solve the System of Equations $\begin{array}{l}x+y=1 \\x-y=-4\end{array}$

question 405

Multiple Choice

Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, give the
solution with y arbitrary.
- $\begin{array}{l}x+y=1 \\x-y=-4\end{array}$

• A) \(\left\{ \left( \frac { 5 } { 2 } , - 2 \right) \right\}\)
• B) \(\left\{ \left( - \frac { 3 } { 2 } , - \frac { 3 } { 2 } \right) \right\}\)
• C) \(\left\{ \left( - \frac { 3 } { 2 } , \frac { 5 } { 2 } \right) \right\}\)
• D) \(\varnothing\)

---

Definitions:

Classical Conditioning

A teaching approach where an association is made between a stimulus found in the environment and one that happens inherently.

Nature

The phenomena of the physical world collectively, including plants, animals, the landscape, and other features and products of the earth.

Modeling

The process of learning by observing and imitating the behaviors, attitudes, or emotional expressions of others.

Psychoanalytic Perspective

A theory and approach to psychology and human behavior emphasizing unconscious motivations and early childhood experiences in shaping personality and behavior.