Find the Dot Product Of $\mathbf { u }$ And $\mathbf { v }$

question 114

Multiple Choice

Find the dot product of $\mathbf { u }$ and $\mathbf { v }$ .
$$\mathbf { u } = \langle - 3 , - 2,4 \rangle , \mathbf { v } = \langle - 4 , - 5 , - 7 \rangle$$

• A) \(- 6\)
• B) \(- 17\)
• C) \(\langle 12,10 , - 28 \rangle\)
• D) 50
• E) \(\langle - 7 , - 7 , - 3 \rangle\)