Evaluate the Radical Expression If It Is a Real Number $- \sqrt { 64 }$

question 43

Multiple Choice

Evaluate the radical expression if it is a real number. Use a calculator to approximate irrational numbers to the nearest
hundredth. If the expression is not a real number, so state.
- $- \sqrt { 64 }$

• A)-4096
• B)-8
• C) \(\frac { 1 } { 64 }\)
• D)not a real number

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