Replace the Polar Equation with an Equivalent Cartesian Equation $$r ^ { 2 } + 2 r ^ { 2 } \sin \theta \cos \theta = 625$$

Multiple Choice

Replace the polar equation with an equivalent Cartesian equation.
- $$r ^ { 2 } + 2 r ^ { 2 } \sin \theta \cos \theta = 625$$

A) $x ^ { 2 } + y ^ { 2 } = 625$
B) $x ^ { 2 } + 3 y ^ { 2 } = 625$
C) $x + y = \pm 25$
D) $x + y = 25$