The Letters R and θ Represent Polar Coordinates $$r ( 1 - 2 \cos \theta ) = 1$$

Multiple Choice

The letters r and θ represent polar coordinates. Write the equation using rectangular coordinates (x, y) .
- $$r ( 1 - 2 \cos \theta ) = 1$$

A) $x ^ { 2 } + y ^ { 2 } = ( 1 + 2 x ) ^ { 2 }$
B) $x ^ { 2 } + y ^ { 2 } = 1 + 2 x$
C) $x ^ { 2 } + y ^ { 2 } = 2 + x$
D) $x ^ { 2 } + y ^ { 2 } = ( 2 + x ) ^ { 2 }$