Write a Polar Equation In $r$ And $\theta$ Of an Ellipse with the Focus at the Origin, with Ellipse

question 152

Multiple Choice

Write a polar equation in $r$ and $\theta$ of an ellipse with the focus at the origin, with the eccentricity $\frac { 6 } { 7 }$ and directrix $x = - 13$ .

• A)
• \(r = \frac { 78 } { 7 - 6 \cos \theta }\)
• B)
• \(r = \frac { 13 } { 7 + 6 \cos \theta }\)
• C)
• \(r = \frac { 78 } { 1 - 6 \cos \theta }\)
• D)
• \(r = \frac { 78 } { 7 + 6 \cos \theta }\)
• E)
• \(r = \frac { 6 } { 3 - 6 \sin \theta }\)

---

Definitions:

Ambulating

The act of walking or moving from one place to another, often used in a medical context to describe the process of helping patients move or walk.

Functional Health Patterns

A framework for assessing individuals’ health status by examining patterns of behavior and physiological responses across different areas of function, aiding in holistic healthcare planning.

Nursing Diagnosis

A professional assessment regarding individual, family, or community reactions to real or possible health issues or life events.

Problem-Focused Approach

A strategy that involves directly addressing and attempting to solve a specific issue or challenge.