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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Definitions:

Avascular

Referring to tissues that lack blood vessels, and thereby depend on diffusion for nutrient and waste exchange.

Cell Junctions

Specialized structures in cells that connect them to one another, enabling communication and the formation of tissue structures.

Cell Layers

Stacked tiers of cells that form tissues in organisms, each having specific functions and structures.

General Shape

A term referring to the basic geometric or visual form of an object.