Use the Dot Product to Find the Magnitude of U $\mathbf { u } = \langle 3,2 \rangle$

question 63

Multiple Choice

Use the dot product to find the magnitude of u if $\mathbf { u } = \langle 3,2 \rangle$

• A) \(\| \mathbf { u } \| =\) \(2 \sqrt { 13 }\)
• B) \(\| \mathbf { u } \| =\) \(\sqrt { 13 }\)
• C) \(\| \mathbf { u } \| = 6\)
• D) \(\| \mathbf { u } \| = 5\)
• E) \(\| \mathbf { u } \| = 7\)

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Definitions:

IUPAC Name

Naming chemicals systematically in alignment with the regulations provided by the International Union of Pure and Applied Chemistry.

Primary Alcohol

An alcohol with the hydroxyl group attached to a carbon atom that is bound to only one other carbon atom.

Secondary Alcohol

An alcohol where the hydroxyl group is connected to a carbon atom with two other alkyl groups attached.

Tertiary Alcohol

An alcohol in which the hydroxy functional group (OH) is bonded to a carbon atom connected to three other carbon atoms.