Solve the Equation by Completing the Square $x ^ { 2 } + 18 x + 58 = 0$

question 167

Multiple Choice

Solve the equation by completing the square.
- $x ^ { 2 } + 18 x + 58 = 0$

• A) \(- 18 + \sqrt { 58 }\)
• B) \(9 + \sqrt { 23 }\)
• C) \(- 9 - \sqrt { 23 } , - 9 + \sqrt { 23 }\)
• D) \(9 - \sqrt { 58 } , 9 + \sqrt { 58 }\)

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Definitions:

Success

The achievement of a goal or objective, often measured by specific criteria or standards in various contexts.

Multiple Correlation

A statistical technique that measures the strength of the relationship between one dependent variable and two or more independent variables.

Independent Variables

are the factors in an experiment that are deliberately manipulated or varied by the researcher to examine their effect on dependent variables.

Accuracy of Prediction

The degree to which a prediction matches the actual outcomes.