
Vektor "Matematika Peminatan"
Authored by clara prasetyawati
Mathematics
10th Grade
Used 2K+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
jika vektor u = (2, -1) dan v = (-3, -4), hasil u.v adalah ...
10
-10
2
-2
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
hasil perkalian skalar vektor u = (2, 3) dan v = (4, -1) adalah
24
5
-2
11
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
diketahui vektor u = (0, -2) dan v = (-3, 5).
jika a = 2u - v dan b = u-2v
maka hasil a.b adalah...
126
36
20
10
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
hasil perkalian skalar vektor
u = 6i + 2j - k dan v = 2i - 4j -3k
adalah...
1
3
7
17
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
diketahui a = (-2, -3, 4)
b = (4, -2, 3)
hasil (a + b) . (a - b) =
10
8
2
0
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
diketahui u = (2, 3, - 2)
v = (a, -2, 4)
jika u.v = -4,
hasil u + v adalah...
(5, 1, 2)
(5, 2, 2)
(7, 1, 2)
(7, 2, 2)
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
diketahui a = (3, -5, 2) dan
b = (-4, -1, 3)
hasil a.b = ...
1
-1
23
-23
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