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

question 150

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:

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A Native American people originally from Florida, known for their resistance against US forces in the Seminole Wars.

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The act of traversing the Rocky Mountains, which was a significant barrier to westward expansion in the United States during the 19th century.