Find the indicated vector.
-Let $\mathbf { a } = \langle 8,9 \rangle$. Find $9 \mathbf { a }$.
A) $\langle - 72,81 \rangle$
B) $\langle 72 , - 81 \rangle$
C) $\langle - 72 , - 81 \rangle$
D) $\langle 72,81 \rangle$

Question

Quizplus · Accepted Answer

To find $9 \mathbf { a }$, multiply each component of $\mathbf { a } = \langle 8,9 \rangle$ by 9, resulting in $\langle 72,81 \rangle$.

Find the Indicated Vector a=⟨8,9⟩\mathbf { a } = \langle 8,9 \ranglea=⟨8,9⟩

Find the Indicated Vector $\mathbf { a } = \langle 8,9 \rangle$