Solve $\frac { x ^ { 2 } } { 4 } + \frac { x } { 5 } = \frac { 1 } { 20 }$

question 65

Multiple Choice

Solve $\frac { x ^ { 2 } } { 4 } + \frac { x } { 5 } = \frac { 1 } { 20 }$ by any method.

• A) \(\left\{ - \frac { 1 } { 5 } , 1 \right\}\)
• B) \(\left\{ - 1 , \frac { 1 } { 5 } \right\}\)
• C) \(\left\{ - \frac { 1 } { 5 } \pm \frac { i \sqrt { 3 } } { 5 } \right\}\)
• D) \(\left\{\frac{1}{5} \pm \frac{i \sqrt{3}}{5}\right.\}\)

---

Definitions:

Basilar Artery

A major blood vessel located at the base of the brain, supplying blood to the posterior part of the brain.

Cerebral Arterial Circle

Also known as the Circle of Willis, it is a ring-like arterial structure located at the base of the brain that ensures blood circulation even if part of it is blocked or narrowed.

Posterior Communicating Artery

A blood vessel that connects the internal carotid artery and the posterior cerebral artery at the base of the brain.

Internal Carotid Artery

A major artery that supplies blood to the brain, eyes, and other parts of the head.