Use the Vectors $\mathbf { u } = \langle 3,5 \rangle$

question 21

Multiple Choice

Use the vectors $\mathbf { u } = \langle 3,5 \rangle$ , $\mathbf { v } = \langle - 2,2 \rangle$ ,and $\mathbf { w } = \langle 5 , - 3 \rangle$ to find the indicated quantity.State whether the result is a vector or a scalar.​ $( 3 \mathbf { w } \cdot \mathbf { v } ) \mathbf { u }$ ​

• A) \(\langle - 144 , - 236 \rangle\) ;vector
• B) \(\langle - 144 , - 242 \rangle\) ;vector
• C) \(\langle - 144 , - 240 \rangle\) ;vector
• D)-240;scalar
• E) \(\langle - 144 , - 244 \rangle\) ;vector

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