Solve the Equation by Completing the Square $$x ^ { 2 } + x + 2 = 0$$

question 83

Multiple Choice

Solve the equation by completing the square.
- $$x ^ { 2 } + x + 2 = 0$$

• A) \(\left\{ \frac { 1 - \mathrm { i } \sqrt { 7 } } { 2 } , \frac { 1 + \mathrm { i } \sqrt { 7 } } { 2 } \right\}\)
• B) \(\left\{ \frac { 1 - \sqrt { 7 } } { 2 } , \frac { 1 + \sqrt { 7 } } { 2 } \right\}\)
• C) \(\left\{ \frac { - 1 - \sqrt { 7 } } { 2 } , \frac { - 1 + \sqrt { 7 } } { 2 } \right\}\)
• D) \(\left\{ \frac { - 1 - \mathrm { i } \sqrt { 7 } } { 2 } , \frac { - 1 + \mathrm { i } \sqrt { 7 } } { 2 } \right\}\)

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Definitions:

Start Codon

The codon AUG, which signals the beginning of translation of messenger RNA. Compare with stop codon.

Assembly

The process of putting together various parts or elements to form a complete unit or system, often used in manufacturing and production contexts.

Ribosome

A cellular structure that functions as the site of protein synthesis in the cell, translating mRNA into amino acid chains.

Polypeptide Chain

A polypeptide chain is a series of amino acids linked together by peptide bonds, and these chains fold into specific shapes to form proteins.