Use the Method of Completing the Square to Solve the Quadratic

question 54

Multiple Choice

Use the method of completing the square to solve the quadratic equation. x ( x + 10 ) = -7

• A) \(x = - 5 + 3 \sqrt { 2 } , x = 5 - 3 \sqrt { 2 }\)
• B) \(x = 5 + 3 \sqrt { 2 } , x = 5 + 3 \sqrt { 2 }\)
• C) \(x = - 5 + 3 \sqrt { 2 } , x = - 5 - 3 \sqrt { 2 }\)

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Definitions:

Dermis

The thick layer of living tissue below the epidermis that comprises nerve endings, sweat glands, oil glands, and hair follicles.

Tactile Corpuscle

A type of mechanoreceptor found in the dermal papillae of the skin, sensitive to light touch and texture.

Melanocyte

A cell located in the basal layer of the epidermis that produces melanin, a pigment responsible for skin and hair color.

Keratinocyte

A predominant cell type found in the outermost layer of the skin, responsible for producing keratin, a protein that contributes to skin, hair, and nail strength.