Perform the Desired Operation $$( - 2 + i ) ( - 2 - i )$$

question 187

Multiple Choice

Perform the desired operation. Write the answer in the form a + bi.
- $$( - 2 + i ) ( - 2 - i )$$

• A) \(- 2\)
• B) \(- 3\)
• C) 4
• D) 5

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Definitions:

Degrees of Freedom

The number of independent values or quantities that can be assigned to a statistical distribution without violating any constraints.

Dependent Variable

A variable in an experiment or model that is expected to change as a result of manipulations or changes in the independent variable(s).

Independent Variables

Variables that are manipulated or categorized to determine their effect on other variables.

Quantity Minimized

Refers to the outcome of an optimization problem where the goal is to find the smallest possible value of a certain quantity.