Find the Length of the Vector $\mathbf { a } - \mathbf { b }$

question 104

Multiple Choice

Find the length of the vector $\mathbf { a } - \mathbf { b }$ , where $\mathbf { a } = \langle 1,3 \rangle$ and $\mathbf { b } = \langle 5,2 \rangle$ .

• A) \(\sqrt { 13 }\)
• B) \(\sqrt { 17 }\)
• C) \(\sqrt { 19 }\)
• D) \(\sqrt { 21 }\)
• E) \(2 \sqrt { 13 }\)
• F) \(2 \sqrt { 17 }\)
• G) \(2 \sqrt { 19 }\)
• H) \(2 \sqrt { 21 }\)

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Definitions:

Third-degree Burn

A severe burn characterized by destruction of the skin through the depth of the dermis and possibly into underlying tissues, often leading to significant scarring and requiring medical intervention.

Eschar

A dry, dark scab or falling away of dead skin, typically resulting from a burn or by the action of certain skin diseases.

Partial-thickness Burn

A type of burn that affects the first and second layers of skin, causing pain, swelling, and blistering, but not as severe as a full-thickness burn.

Dermis

The thick layer of living tissue below the epidermis that forms the true skin, containing sweat glands, hair follicles, and other structures.