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Matematika Peminatan Kelas X (Vektor)

Authored by Glend Tambuwun

Mathematics

10th Grade

Used 94+ times

Matematika Peminatan Kelas X (Vektor)
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

hasil perkalian skalar vektor u = (2, 3) dan v = (4, -1) adalah

24

5

-2

11

10

2.

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

20

3.

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

-24

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

diketahui |a|=6, |b|=4 dan
a.b = 12. Besar sudut antara vektor a dan b adalah... °\degree  

30

60

90

120

180

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

diketahui vektor u=(4, -2) dan v=(-1, 3). besar sudut antara u dan v adalah ...°...\degree  

45

90

135

180

210

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui vektor a = (2,-3,1) dan b = (3,-2,-1). Proyeksi skalar ortogonal vektor pada vektor adalah ...

111414\frac{11}{14}\sqrt{14}

61414\frac{6}{14}\sqrt{14}

11414\frac{1}{14}\sqrt{14}

- 11414\frac{1}{14}\sqrt{14}

- 111414\frac{11}{14}\sqrt{14}

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui :
 a =(3,4)\overline{a}\ =\left(3,-4\right)  Maka 
 a\left|\overline{a}\right|  
 adalah . . .

1

2

5

 8\sqrt{8}  

9

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