Simplify Assume That All Variables Represent Any Real Number $$\sqrt { ( x + 8 ) ^ { 2 } }$$

question 297

Multiple Choice

Simplify. Assume that all variables represent any real number.
- $$\sqrt { ( x + 8 ) ^ { 2 } }$$

• A) \(x + 8\)
• B) \(- | x + 8 |\)
• C) \(| x + 8 |\)
• D) \(- x - 8\)

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Definitions:

Nondirectional Research Hypothesis

A research hypothesis that posits a difference between groups but not in either direction. See Directional Research Hypothesis.

Null Hypothesis

A hypothesis that there is no significant difference or effect, serving as the default assumption that is tested against.

Error Hypothesis

A statement positing the existence of a difference or effect, used in the context of hypothesis testing to denote a hypothesis that is tested for being in error relative to the null.

Larger Population

Refers to a bigger group or category of individuals from which samples can be drawn for statistical analysis.