Solve the equation 
using the Quadratic Formula.
Definitions:
Establishing Evidence
The process of gathering and presenting data or facts to support or prove a point, hypothesis, or legal case.
Construct Validity
The extent to which a test or instrument accurately measures the theoretical construct or concept it is intended to assess.
Assessing Methods
Various techniques or procedures used to evaluate or measure the knowledge, skills, abilities, or characteristics of individuals or groups.
Validity Coefficient
Numeric value representative of the relative strength of an assessment’s validity.
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