Find the indicated vector.
-Let $\mathbf { u } = \langle 6 , - 8 \rangle$. Find $9 \mathbf { u }$.
A) $\langle - 54 , - 72 \rangle$
B) $\langle - 54,72 \rangle$
C) $\langle 54 , - 72 \rangle$
D) $\langle 54,72 \rangle$

Question

Quizplus · Accepted Answer

To find $9 \mathbf { u }$, multiply each component of $\mathbf { u }$ by 9. Thus, $9 \mathbf { u } = 9 \langle 6 , - 8 \rangle = \langle 54 , - 72 \rangle$.

Find the Indicated Vector u=⟨6,−8⟩\mathbf { u } = \langle 6 , - 8 \rangleu=⟨6,−8⟩

Find the Indicated Vector $\mathbf { u } = \langle 6 , - 8 \rangle$