Find the Unit Vector Having the Same Direction as V $$\mathbf { v } = - 3 \mathbf { i } + 4 \mathbf { j }$$

question 73

Multiple Choice

Find the unit vector having the same direction as v.
- $$\mathbf { v } = - 3 \mathbf { i } + 4 \mathbf { j }$$

• A) \(\mathbf { u } = - \frac { 5 } { 3 } \mathrm { i } + \frac { 5 } { 4 } \mathrm { j }\)
• B) \(\mathbf { u } = - \frac { 4 } { 5 } \mathrm { i } + \frac { 3 } { 5 } \mathrm { j }\)
• C) \(u = - \frac { 3 } { 5 } i + \frac { 4 } { 5 } j\)
• D) \(\mathbf { u } = - 15 \mathrm { i } + 20 \mathrm { j }\)

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Definitions:

Moebius Syndrome

A rare neurological disorder characterized by paralysis of the facial muscles and lack of eye movement.

Environmental Influences

External factors that affect an individual's development, behavior, and lifestyle choices.

Genetic Similarities

The degree to which the genetic makeup of an individual or group of individuals resembles that of another individual or group, often used in the study of heredity and inherited traits.

Facial Expressions

Visible manifestations of emotions, thoughts, or intentions, shown through movements of the facial muscles.