Find the indicated vector.
-Let $\mathbf { u } = \langle 8,3 \rangle$. Find $2 \mathbf { u }$.
A) $\langle - 16 , - 6 \rangle$
B) $\langle - 16,6 \rangle$
C) $\langle 16,6 \rangle$
D) $\langle 16 , - 6 \rangle$

Question

Quizplus · Accepted Answer

Multiplying a vector by a scalar (in this case, 2) results in each component of the vector being multiplied by that scalar. Therefore, $2 \mathbf { u } = 2 \langle 8,3 \rangle = \langle 16,6 \rangle$.

Find the Indicated Vector u=⟨8,3⟩\mathbf { u } = \langle 8,3 \rangleu=⟨8,3⟩

Find the Indicated Vector $\mathbf { u } = \langle 8,3 \rangle$