Solve the Equation by Making an Appropriate Substitution $$x ^ { 4 } - 23 x ^ { 2 } - 50 = 0$$

question 350

Multiple Choice

Solve the equation by making an appropriate substitution.
- $$x ^ { 4 } - 23 x ^ { 2 } - 50 = 0$$

• A) \(\{ - 5,5 , - \mathrm { i } \sqrt { 2 } , \mathrm { i } \sqrt { 2 } \}\)
• B) \(\{ - \sqrt { 2 } , \sqrt { 2 } , - 5 \mathrm { i } , 5 \mathrm { i } \}\)
• C) \(\{ - 25,2 \}\)
• D) \(\{ 5 , \mathrm { i } \sqrt { 2 } \}\)

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Definitions:

George Washington

The first President of the United States (1789-1797), commander-in-chief of the Continental Army during the American Revolutionary War, and one of the Founding Fathers of the United States.

Fort Necessity

A historic site in Pennsylvania, USA, where a battle early in the French and Indian War took place, involving a young George Washington.

Edward Braddock

A British general who led a failed expedition during the early stages of the French and Indian War.

French Canadians

People of French descent who live in Canada, particularly in the province of Quebec, known for maintaining a distinct French culture, language, and identity.