Convert an Equation from Polar to Rectangular Coordinates
- $\mathrm { r } = 8 \cos \theta + 9 \sin \theta$

Multiple Choice

Convert an Equation from Polar to Rectangular Coordinates
- $\mathrm { r } = 8 \cos \theta + 9 \sin \theta$

A) $x ^ { 2 } + y ^ { 2 } = 8 x + 9 y$
B) $x ^ { 2 } - y ^ { 2 } = 8 x + 9 y$
C) $x ^ { 2 } + y ^ { 2 } = 9 x + 8 y$
D) $8 x + 9 y = 0$