The Rectangular Equation That Corresponds to the Polar Equation $\frac { r } { 2 } = \theta$

Multiple Choice

The rectangular equation that corresponds to the polar equation $\frac { r } { 2 } = \theta$ is

A) $y = 2 x$
B) $x ^ { 2 } + y ^ { 2 } = 2 x$
C) $\sqrt { x ^ { 2 } + y ^ { 2 } } = 2 \tan ^ { - 1 } \frac { x } { y }$
D) $x ^ { 2 } + y ^ { 2 } = - 2 x$
E) $\sqrt { x ^ { 2 } + y ^ { 2 } } = 2 \tan ^ { - 1 } \frac { y } { x }$