Solve the Equation by Completing the Square $$5 x ^ { 2 } - 4 x = 9$$

question 60

Multiple Choice

Solve the equation by completing the square. Express any complex numbers using i notation.
- $$5 x ^ { 2 } - 4 x = 9$$

• A) \(x = \frac { 5 } { 9 } , - 1\)
• B) \(x = \frac { 5 } { 9 } , 1\)
• C) \(x = \frac { 9 } { 5 } , - 1\)
• D) \(x = \frac { 9 } { 5 } , 1\)

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Definitions:

Self-efficacy Expectations

Beliefs in one's ability to succeed in specific situations or accomplish a task, which can play a major role in how goals, tasks, and challenges are approached.

Self-concept Expectations

The beliefs and anticipations about one's abilities, behaviors, and characteristics that shape one's self-concept.

Self-esteem Expectations

The beliefs individuals hold about their ability to succeed and their worthiness of success and happiness, influencing motivation and behavior.

Psychosocial Development Theory

A theory proposed by Erik Erikson that suggests human development is governed by a series of stages that depend on biological maturation and social demands, emphasizing the social nature of our development rather than its sexual nature.