Evaluate the Root Without Using a Calculator or Note That $- \sqrt { 0.49 }$

question 118

Multiple Choice

Evaluate the root without using a calculator or note that root is not a real number.
$- \sqrt { 0.49 }$

• A) \(0.7\)
• B) \(0.2401\)
• C) \(- 0.7\)
• D) Not a real number