vektor 2

vektor 2

10th Grade

10 Qs

quiz-placeholder

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vektor 2

vektor 2

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

Created by

nanik isnawiah

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diberikan dua buah vektor masing-masing a = 9 dan b = 4. Nilai cosinus sudut antara kedua vektor adalah 1/3 . la + b| = ...

9

10

11

12

13

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui vektor a = 2i – 6j – 3k dan b = 4i + 2j – 4k . Panjang proyeksi vektor a pada b adalah…..

1/2

2/3

3/4

4/3

1/3

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui vektor a = 4i − 2j + 2k dan vektor b = 2 i − 6 j + 4k. Proyeksi orthogonal vektor a pada vektor b adalah...

-i -2j - 3k

2i + 2j - k

i - 3j + 2k

i + 2j - 3k

-2i -j - 3k

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Besar sudut antara vektor a = 2i − j + 3k dan b = i + 3j − 2k adalah....

1/8 π

1/4 π

1/3 π

2 π

2/3 π

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Ditentukan A(4 , 7 , 0) , B(6 , 10 , –6) dan C(1 , 9 , 0). AB dan AC wakil-wakil dari vektor u dan v. Besar sudut antara u dan v adalah....

1/4 π

0

1/2π

π

1

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diberikan tiga buah vektor masing-masing:

a = 6p i + 2p j − 8 k

b = −4 i + 8j + 10 k

c = − 2 i + 3 j − 5 k


Jika vektor a tegak lurus b, maka vektor ac adalah.....

58 i + 23 j − 3k

− 58 i − 23 j + 3k

58 i + 23 j + 3k

− 58 i − 23 j − 3k

58 i − 23 j − 3k

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui titik A (3, 2, − 3 ), B(0, 4,−2) dan C(5, 3, −6). Sudut antara vektor AB dengan AC adalah...

30°

60°

90°

120°

135°

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