Solve $x ^ { 2 } - 4 x - 12 \leq 0$

question 83

Multiple Choice

Solve: $x ^ { 2 } - 4 x - 12 \leq 0$

• A) \([ - 2,6 ]\)
• B) \([ - 6,2 ]\)
• C) \(( - \infty , - 2 ] \cup [ 6 , \infty )\)
• D) \(( - \infty , - 6 ] \cup [ 2 , \infty )\)

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Definitions:

Sample

A subset of individuals from a larger population, selected for participation in a research study, meant to represent the larger group.

Cohort

A group of individuals sharing a specific characteristic, typically defined by age, who are studied over a period of time.

Variables

Elements or factors that can change and affect the outcome of scientific experiments or research studies, allowing researchers to determine effects and correlations.

Correlation Coefficient

A statistical measure that indicates the extent to which two variables fluctuate together.