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operasi vektor dua dimensi

Authored by andri anik

Mathematics

10th Grade

Used 295+ times

operasi vektor dua dimensi
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui titik A(3, -1), vektor  oA→\overrightarrow{oA}  dapat dinyatakan dalam bentuk ...

3i + j

3i - j

-i + 3j

3j

3i

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Vektor A: 2i-3j, dan vektor B: -4i+2j. Tentukan panjang vektor AB?

61\sqrt{61}

36\sqrt{36}

71\sqrt{71}

56\sqrt{56}

63\sqrt{63}

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Jika A (3, 2, 1) dan B (6, 5, 4), maka vektor posisi AB adalah ...

(3 , 3, 3)

(3, 2, 1)

(1, 2, 3)

(-3, -3, -3)

-3, 3, -3

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui vektor pada R3 berikut:

a = 8 i - 4 j + 3 k

b = 3 i - 2 j

c = - i - 5 j + 7 k


Hasil dari 2a - b + 3c adalah ...

13 i + 4 j + 29 k

13 i - 26 j + 29 k

13 i + 26 j + 25 k

10 i + 9 j + 27 k

10 i -21 j + 27 k

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui

p = 3 i + 4 j + 6 k

q = 2 i - 3 j + 5 k.


maka p . q = ...

21

22

23

24

25

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika a = i – 2j + k, b = 2i – 2j – 3k dan c = -i + j + 2k, maka 2a – 3b – 5 c sama dengan:

i + j + k

2i – 5j + k

5i – 2j + k

5i + 2j + k

i – 3j+k

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika vektor a = 12 i + 5 k .


Maka panjang vektor a adalah ...

|a| = 11

|a| = 13

|a| = 15

|a| = 17

|a| = 19

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