Find an Equivalent Equation in Rectangular Coordinates $$\mathrm { r } = \frac { 5 } { 1 + \cos \theta }$$

Multiple Choice

Find an equivalent equation in rectangular coordinates.
- $$\mathrm { r } = \frac { 5 } { 1 + \cos \theta }$$

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