MATEMATIKA VEKTOR

MATEMATIKA VEKTOR

1st - 10th Grade

10 Qs

quiz-placeholder

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MATEMATIKA VEKTOR

MATEMATIKA VEKTOR

Assessment

Quiz

Mathematics

1st - 10th Grade

Practice Problem

Hard

Created by

gista ayu

Used 1K+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui titik A(5, 1, 3), B(2, –1, –1), dan C(4, 2, –4). Besar sudut ABC =

180

90

60

30

0

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui segitiga ABC dengan A(2, 1, 2), B(6, 1, 2), dan C(6, 5, 2). Jika u mewakili AB dan v mewakili AC , maka sudut yang dibentuk oleh vector u dan v adalah

30

45

60

90

120

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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

i - j + k

i - 3j + 2k

i - 4j + 4k

2i - j + k

6i - 8j + 6k

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Jika vektor a = xi - 4j + 8k tegak lurus vektor b = 2xi + 2xj - 3k, maka nilai x yang memenuhi adalah

-2 atau 6

-3 atau 4

-4 atau 3

-6 atau 2

-2 atau - 3

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui segitiga ABC dengan koordinat A(2, 3, 4), B(5, 0, 1), dan C(4, 2, 5). Titik P membagi AB sehingga AP : AB = 2 : 3. Panjang vektor PC adalah

Akar 10

akar 15

Akar 20

3 akar 2

9 akar 2

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui p = 6i + 7j - 6k dan

q = xi + j + 4k. Jika panjang proyeksi q pada p adalah 2, maka x adalah

5/6

3/2

13/2

43/6

53/6

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui a + b = i - j + 4k dan

| a - b | = akar 14. Hasil dari a · b =

5

4

3

2

1

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