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Latihan Akhir X MIA 1 - Vektor

Authored by Iszira Agustina

Mathematics

10th Grade

Used 14+ times

Latihan Akhir X MIA  1 - Vektor
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30 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

jika vektor u = (2, -1) dan v = (-3, -4), hasil u.v adalah ...

10

-10

2

-2

2.

MULTIPLE CHOICE QUESTION

3 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

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

hasil perkalian skalar vektor

u = 6i + 2j - k dan v = 2i - 4j -3k

adalah...

1

3

7

17

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

diketahui a = (-2, -3, 4)

b = (4, -2, 3)

hasil (a + b) . (a - b) =

10

8

2

0

5.

MULTIPLE CHOICE QUESTION

3 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)

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

diketahui koordinat A (2, 1, 3),

B(4, -2, 5) dan C(-1, 4, -2).

hasil perkalian skalar AB . BC adalah...

84

-84

28

-28

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

jika |u| = 4 dan |v| = 6 serta sudut antara u dan v adalah  120°120\degree , hasil u.v = 

 12312\sqrt{3}  

 12212\sqrt{2}  

12

-12

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