Find the Sum or Difference $$( 4 - 7 \mathrm { i } ) + ( - 8 + 2 \mathrm { i } ) + 2 \mathrm { i }$$

question 207

Multiple Choice

Find the sum or difference. Write the answer in standard form.
- $$( 4 - 7 \mathrm { i } ) + ( - 8 + 2 \mathrm { i } ) + 2 \mathrm { i }$$

• A) \(- 4 + 3 i\)
• B) \(- 4 - 3 \mathrm { i }\)
• C) \(- 2 - 3 \mathrm { i }\)
• D) \(12 - 5 \mathrm { i }\)

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Definitions:

Projection

A psychological defense mechanism where undesirable feelings or emotions are attributed to others instead of oneself.

Reaction Formation

A defense mechanism where an individual unconsciously replaces unacceptable thoughts or feelings with their opposites.

Altruism

The belief in or practice of disinterested and selfless concern for the well-being of others.

Obsessive-Compulsive Disorder

A mental disorder characterized by recurring, unwanted thoughts (obsessions) and repetitive behaviors (compulsions) as a response to those thoughts.