Find the Magnitude $\mathbf { u } = \langle - 2,2 \rangle$

question 128

Multiple Choice

Find the magnitude.
-Let $\mathbf { u } = \langle - 2,2 \rangle$ and $\mathbf { v } = \langle - 1,3 \rangle$ . Find the magnitude (length) of the vector: $5 \mathbf { u } - \mathbf { v }$ .

• A) 123
• B) 130
• C) \(\sqrt { 123 }\)
• D) \(\sqrt { 130 }\)

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