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Vektor "Matematika Peminatan"

Authored by clara prasetyawati

Mathematics

10th Grade

15 Questions

Used 2K+ times

Vektor "Matematika Peminatan"
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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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