Solve the System by the Method of Your Choice $$\frac { x } { 3 } + \frac { y } { 3 } = 2$$

question 75

Multiple Choice

Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many
solutions, using set notation to express their solution sets.
- $$\frac { x } { 3 } + \frac { y } { 3 } = 2$$
$\mathrm { x } - \mathrm { y } = 4$

• A) \(\{ ( 5,1 ) \}\)
• B) \(\{ ( 4,2 ) \}\)
• C) \(\{ ( x , y ) \mid x - y = 4 \}\)
• D) \(\varnothing\)

---

Definitions:

Subarachnoid Space

The area between the arachnoid mater and pia mater around the brain and spinal cord, filled with cerebrospinal fluid.

Dural Venous Sinus

Channels located within the dura mater layer of the meninges that drain venous blood from the brain and transport it into the internal jugular vein.

Subdural Space

The area between the dura mater and the arachnoid mater of the brain, potentially a site for hematomas following head injury.

Cerebellum

The part of the brain at the back of the skull in vertebrates, responsible for coordinating and regulating muscular activity.