Solve Equations That Are Quadratic in Form
Solve the Equation $$x ^ { 4 } - 20 x ^ { 2 } + 64 = 0$$

question 199

Multiple Choice

Solve Equations That Are Quadratic in Form
Solve the equation by making an appropriate substitution.
- $$x ^ { 4 } - 20 x ^ { 2 } + 64 = 0$$

• A) \(\{ - 2,2 , - 4,4 \}\)
• B) \(\{ 4,16 \}\)
• C) \(\{ 2,4 \}\)
• D) \(\{ - 2 \mathrm { i } , 2 \mathrm { i } , - 4 \mathrm { i } , 4 \mathrm { i } \}\)

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Definitions:

Hogg's Model

A social identity theory related model that explains how perceived uncertainty in groups can lead to stronger identification with and conformity to group norms.

Group Norms

Shared expectations or rules within a group that guide the behavior of its members.

Coordinate Actions

The process of organizing activities among individuals or groups to achieve a common goal effectively.

Quasi-Member

An individual who participates in the activities of a group without being a formal or fully recognized member.