Question

given u= (5 -2 3) and v=(1 1 2) find an ordered triple that represents 3u-2v
A. (12, -7, 3) C. (13, -8, 5)
B. (9, -2, 18) D. (18, 3, -2)

Answer 1

Answer:

option C

Step-by-step explanation:

(15-2,-6-2,9-4)

(13,-8,5)

Answer 2

Answer:

C

as 3X 5 -2 3 = 15 -6 9

2X 1 1 2 = 2 2 4

15 -6 9

- 2 2 4 (change the sign)

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13 -8 5

so this is the right answer