PERKALIAN SKALAR 2 VEKTOR

PERKALIAN SKALAR 2 VEKTOR

12th Grade

15 Qs

quiz-placeholder

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PERKALIAN SKALAR 2 VEKTOR

PERKALIAN SKALAR 2 VEKTOR

Assessment

Quiz

Mathematics

12th Grade

Medium

Created by

tsani rien

Used 52+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

diketahui vektor  a = 6i+4j2k\overrightarrow{a}\ =\ 6\overrightarrow{i}+4\overrightarrow{j}-2\overrightarrow{k}   dan  b=4ixj+ k\overrightarrow{b}=4\overrightarrow{i}-x\overrightarrow{j}+\ \overrightarrow{k}  saling tegak lurus , maka nilai x = ...

-5

-3

5

 112\frac{11}{2}  

2.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Diketahui segitiga ABC dengan A(3,1), B(5,2), dan C(1,5). Besar sudut BAC adalah

45o

60o

90o

135o

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Panjang vektor a dan panjang vektor b masing – masing adalah 4 satuan dan 5 satuan. Besar sudut antara vektor a dan vektor b sama dengan 60o

Hitung hasil kali skalar antara vektor a dengan vektor b

5

6

8

10

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Besar sudut antara vektor    a dan b    adalah . . 

30

45

60

90

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui titik – titik A ( 3, 2,– 1 ), B ( 2, 1, 3 ) dan C ( – 1 , 2, 3 ). Kosinus sudut antara AB dan AC adalah

12\frac{1}{2}

14-\frac{1}{4}

56\frac{5}{6}

13\frac{1}{3}

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika panjang vektor |a| =  3\sqrt{3}   dan |b| = 1,  sudut antara  vektor a dan b adalah    30o30^o  maka nilai  | a - b| = ...

7

4

1

0

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui vektor dan    p= 3i+ 4j +mk\overrightarrow{p}=\ 3\overrightarrow{i}+\ 4\overrightarrow{j}\ +m\overrightarrow{k}  dan  q= 2i3j+5k\overrightarrow{q}=\ 2\overrightarrow{i}-3\overrightarrow{j}+5\overrightarrow{k}  JIka  p . q = 4  maka nilai  m = ...

- 2 

- 1 

1

2

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