Find the Vector $\mathbf { z }$ , Given $\mathbf { u } = \langle - 3,3,9 \rangle$

question 107

Multiple Choice

Find the vector $\mathbf { z }$ , given $\mathbf { u } = \langle - 3,3,9 \rangle$ and $\mathbf { v } = \langle - 7,5,7 \rangle$ . $\mathbf { z } = - 3 \mathbf { u } - 5 \mathbf { v }$

• A) \(\langle 2 , - 4 , - 20 \rangle\)
• B) \(\langle 44 , - 34 , - 62 \rangle\)
• C) \(\langle - 10,8,16 \rangle\)
• D) \(\langle 36 , - 30 , - 66 \rangle\)
• E) \(\langle - 26,16,8 \rangle\)

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