Find the Unit Vector in the Direction of the Given $\mathbf { u } = \langle 5,3 \rangle$

question 41

Multiple Choice

Find the unit vector in the direction of the given vector. Write your answer in the indicated form.
-Let $\mathbf { u } = \langle 5,3 \rangle$ . Find the unit vector in the direction of $\mathbf { u }$ , and write your answer as a linear combination of the standard unit vectors $i$ and $\mathbf { j }$ .

• A) \(\mathbf { i } + \mathbf { j }\)
• B) \(\frac { 5 } { 34 } \mathrm { i } + \frac { 3 } { 34 } \mathrm { j }\)
• C) \(\frac { 5 } { 8 } \mathrm { i } + \frac { 3 } { 8 } \mathrm { j }\)
• D) \(\frac { 5 } { \sqrt { 34 } } \mathrm { i } + \frac { 3 } { \sqrt { 34 } } \mathrm { j }\)

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Definitions:

LIFO Cost-Flow

An inventory valuation method where the last items of inventory purchased are the first ones to be used or sold, standing for Last In, First Out.

Cost of Goods Sold

The direct costs attributable to the production of the goods sold by a company.

Beginning Inventory

The value of goods available for sale at the start of an accounting period.

Reportable Segment

A part of a company that can be identified for reporting purposes due to its operations, products, or services.