VEKTOR

VEKTOR

11th Grade

15 Qs

quiz-placeholder

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VEKTOR

VEKTOR

Assessment

Quiz

Mathematics

11th Grade

Medium

Created by

Sri Lestari

Used 148+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

hasil perkalian skalar vektor u = (2, 3) dan v = (4, -1) adalah

24

5

-2

11

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

hasil perkalian skalar vektor

u = 6i + 2j - k dan v = 2i - 4j -3k

adalah...

1

3

7

17

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

diketahui |a|=6, |b|=4 dan
a.b = 12. Besar sudut antara vektor a dan b adalah... °\degree  

30

60

90

120

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

besar sudut antara a=(3, 2, 4) dan b=(2, 3, -3) adalah ...°...\degree  

0

60

90

180

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui a=5i+2j, b=3i+2j\overrightarrow{a}=-5i+2j,\ \overrightarrow{b}=-3i+2j  dan  c=3i7j\overrightarrow{c}=3i-7j  . Maka  nilai  3ca+2b3\overrightarrow{c}-\overrightarrow{a}+2\overrightarrow{b}  adalah . . . . .

 8i19j8i-19j  

 8i+19j8i+19j  

 8i19j-8i-19j  

 8i+19j-8i+19j  

 8i19j8i-19j  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Vektor satuan dari  p =2i3j\overrightarrow{p}\ =2i-3j   adalah . . . . .

 113(2i3j)\frac{1}{\sqrt{13}}(2i-3j)  

 15(2i3j)\frac{1}{\sqrt{5}}(2i-3j)  

 110(2i3j)\frac{1}{\sqrt{10}}(2i-3j)  

 410(2i3j)\frac{4}{\sqrt{10}}(2i-3j)  

 117(2i3j)\frac{1}{\sqrt{17}}(2i-3j)  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui panjang vektor a = 12 satuan dan panjang vektor b = 5 satuan. Jika vektor a dan vektor b membentuk sudut 60°. Maka vektor a • vektor b adalah. . . .

0

30

45

60

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