Simplify Assume That All Variables Represent Any Real Number $\sqrt { 100 x ^ { 2 } }$

Multiple Choice

Simplify. Assume that all variables represent any real number.
- $\sqrt { 100 x ^ { 2 } }$

A) $10 \mathrm { x }$
B) $- 10 x$
C) $10 | x |$
D) $- 10 | \mathrm { x } |$