The Shortest Distance from the Point $\left( 2 , \frac { 1 } { 2 } \right)$

Multiple Choice

The shortest distance from the point $\left( 2 , \frac { 1 } { 2 } \right)$ to the parabola $y = x ^ { 2 }$ is

A) $\frac { \sqrt { 5 } } { 2 }$
B) $\frac { \sqrt { 6 } } { 2 }$
C) $\frac { \sqrt { 3 } } { 2 }$
D) $\frac { \sqrt { 2 } } { 2 }$
E) $\frac { 1 } { 2 }$