The Letters R and θ Represent Polar Coordinates $$r = \frac { 5 } { 1 + \cos \theta }$$

Multiple Choice

The letters r and θ represent polar coordinates. Write the equation using rectangular coordinates (x, y) .
- $$r = \frac { 5 } { 1 + \cos \theta }$$

A) $x ^ { 2 } = 25 - 10 y$
B) $y ^ { 2 } = 25 - 10 x$
C) $x ^ { 2 } = 10 y - 25$
D) $\mathrm { y } ^ { 2 } = 10 \mathrm { x } - 25$