Question

Let u = <3, -1>, v = <-6, -6>. Find 9u + 2v.


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Answer 1

Answer on Question#42439 – Math - Analytic Geometry

Question:

Let $u = <3, -1>$, $v = <-6, -6>$. Find $9u + 2v$.

Solution:

$9u + 2v = 9 < 3, -1 > + 2 < -6, -6 > = < 27, -9 > + < -12, -12 > = < 27 - 12, -9 - 12 > = < 15, -21 >$

Answer: $9u + 2v = <15, -21>$

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