Find the Polar Equation of the Conic with Focus at the Pole

question 71

Multiple Choice

Find the polar equation of the conic with focus at the pole, having the given properties. Identify the conic.
-Directrix $x = - 8$ , eccentricity 3

• A) \(r = \frac { 24 } { 1 - 3 \cos \theta }\), hyperbola
• B) \(r = \frac { 24 } { 1 - 8 \cos \theta }\), hyperbola
• C) \(r = \frac { 8 } { 8 + \cos \theta }\), ellipse
• D) \(r = \frac { 3 } { 8 - 8 \cos \theta }\), parabola

---

Definitions:

Teletype Machines

Early communication devices used to send typed messages over long distances through telecommunication lines.