Solve by Completing the Square $$x ^ { 2 } = - 4 x + 9$$

question 138

Multiple Choice

Solve by completing the square.
- $$x ^ { 2 } = - 4 x + 9$$

• A) \(\frac { 4 + 2 \sqrt { 13 } } { 2 }\)
• B) \(\frac { - 4 \pm 2 \sqrt { 13 } } { 2 }\)
• C) \(\frac { - 4 - 2 \sqrt { 13 } } { 2 }\)
• D) \(- 4 \pm 2 \sqrt { 13 }\)

---

Definitions:

Sockeye Salmon

A species of salmon found in the Pacific Ocean, known for its red flesh and significant role in commercial fishing and ecological balance.

Forestry Companies

Businesses involved in the cultivation, maintenance, and harvesting of forests for commercial, recreational, or conservation purposes.

Growth Pattern

The specific way in which an economic entity or biological organism grows over time, often analyzed to predict future developments.

Deforestation

The clearing or removal of forests or trees from land which is then converted to non-forest use.