Mathematics, 18.02.2021 20:10, niki1524

1. Let u = <-7, -2>. Find 4u. (A. <-28, -8>
(B. <-28, 8>
(C. <28, -8>
(D. <28, 8>

2. Let u = <-3, -5>, v = <-3, 1>. Find u + v.
(A. <-2, -8>
(B. <-8, -2>
(C. <0, -6>
(D. <-6, -4>

3. Let u = <-5, 1>, v = <7, -4>. Find 9u - 6v.
(A. <18, 18>
(B. <-87, 33>
(C. <-36, -18>
(D. <-3, -15>

Answers: 2

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1. Let u = <-7, -2>. Find 4u. (A. <-28, -8>
(B. <-28, 8>
(C. <28,...