Solve the Equation by the Quadratic Formula $$x ^ { 2 } + x + 7 = 0$$

question 102

Multiple Choice

Solve the equation by the quadratic formula.
- $$x ^ { 2 } + x + 7 = 0$$

• A) \[\frac { 1 } { 2 } \pm \frac { \sqrt { 27 } } { 2 } \mathrm { i }\]
• B) \[\frac { - 1 \pm \sqrt { 27 } } { 2 }\]
• C) \[- \frac { 1 } { 2 } \pm \frac { \sqrt { 27 } } { 2 } \mathrm { i }\]
• D) \[\frac { 1 \pm \sqrt { 27 } } { 2 }\]

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Definitions:

Sustentacular Cells

Supportive cells found in the germinal epithelium of the testis, assisting in the nourishment and regulation of sperm-producing cells.

Gustatory Hairs

Microscopic hairs located on taste buds that are sensitive to tastants in food, leading to the perception of taste.

Gustatory Cells

Gustatory cells are specialized epithelial cells located within the taste buds of the tongue, responsible for the perception of taste stimuli.

Basal Cells

Cells found at the bottom layer of epithelial tissues, involved in constant regeneration and repair of the surface tissue.