Conic Sections in Polar Coordinates
1 Define Conics in Terms $$r = \frac { 9 } { 3 - 3 \cos \theta }$$

Multiple Choice

Conic Sections in Polar Coordinates
1 Define Conics in Terms of a Focus and a Directrix
- $$r = \frac { 9 } { 3 - 3 \cos \theta }$$

A) parabola; The directrix is 3 unit(s) to the left of the pole at $x = - 3$ .
B) parabola; The directrix is 3 unit(s) to the right of the pole at $x = 3$ .
C) parabola; The directrix is 3 unit(s) above the pole at $y = 3$ .
D) parabola; The directrix is 3 units below the pole at $\mathrm { y } = - 3$ .