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PAS GENAP 2021 SMA MTK PEMINATAN

Authored by zuryati kandar

Mathematics

1st Grade

Used 4+ times

PAS GENAP 2021 SMA MTK PEMINATAN
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 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

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

diketahui a = (-2, -3, 4), b = (4, -2, 3). Hasil (a + b) . (a - b) =

10

8

2

0

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

diketahui a.b = 16 dengan vektor

a = (3, -4, 2) dan b = (2, m, -5)

hasil a + b =

(5, -9, -3)

(5, 9, -3)

(5, 16, -3)

(5, -16, -3)

4.

MULTIPLE CHOICE QUESTION

30 sec • 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

5.

MULTIPLE CHOICE QUESTION

30 sec • 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

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

45

90

135

180

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui vektor a = 3i + j – 5k dan vektor b = -i + 2j – 2k. Proyeksi ortogonal vektor a pada b adalah ...

-i - 2j –2k 

-i - 2j +2k

-i + 2j –2k

i + 2j –2k

i + 2j +2k

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