Find the Center and Radius of the Sphere $x ^ { 2 } - 2 x + y ^ { 2 } + 4 y + z ^ { 2 } + 6 z = 211$

question 53

Essay

Find the center and radius of the sphere. $x ^ { 2 } - 2 x + y ^ { 2 } + 4 y + z ^ { 2 } + 6 z = 211$

---

Definitions:

Shareholder Value

The concept emphasizing that the ultimate measure of a company's success is the extent to which it enriches its shareholders.

Top-Down Change

Organizational change initiatives that are initiated and guided by the top management or leadership of an organization.

Crisis Management

The process by which an organization deals with a disruptive and unexpected event that threatens to harm the organization or its stakeholders.

Unplanned Change

Alterations or modifications that occur without prior planning or expectation, often requiring immediate response or adaptation.