Operasi Vektor 1

Operasi Vektor 1

1st Grade

10 Qs

quiz-placeholder

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Operasi Vektor 1

Operasi Vektor 1

Assessment

Quiz

Mathematics

1st Grade

Medium

Created by

shanny rizky

Used 46+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Hasil dari   (2i5j4k)(6i+3j8k)=....(2i-5j-4k)-(-6i+3j-8k)=....  

 8i8j4k8i-8j-4k  

 8i8j+4k8i-8j+4k  

 4i8j3k-4i-8j-3k  

 4i8j12k-4i-8j-12k  

 8i+8j4k-8i+8j-4k  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui vektor a=2i+5j8k\overline{a}=2i+5j-8k  dan  b=3j+4k\overline{b}=-3j+4k  .  maka nilai dari  a3b=\overline{a}-3\overline{b}=  

 2i+14j20k2i+14j-20k  

 2i14j20k2i-14j-20k  

 2i+14j20k-2i+14j-20k  

 2i+14j+20k2i+14j+20k  

 2i14j20k-2i-14j-20k  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Jika vektor  a=(3i+j+2k)a⃗=(3i+j+2k)  dan  b=(4i+3j+5k)\overrightarrow{b}=(-4i+3j+5k)  dan  c=(3i2j+2k)\overrightarrow{c}=(3i-2j+2k) Maka vektor  a2b+3c=a⃗-2b⃗+3c⃗=…  

 20i11j+2k20i-11j+2k  

 20i11j+5k20i-11j+5k  

 20i11j4k20i-11j-4k  

 20i11j2k20i-11j-2k  

 24i11j2k24i-11j-2k  

4.

MULTIPLE CHOICE QUESTION

3 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}

5.

MULTIPLE CHOICE QUESTION

3 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

6.

MULTIPLE CHOICE QUESTION

3 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

3 mins • 12 pts

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Diberikan vektor  a\overrightarrow{a}  ,  b\overrightarrow{b}  dan  c\overrightarrow{c}  . Tentukan vektor resultan  a\overleftarrow{a}  + b\overrightarrow{b}  - c\overrightarrow{c}  dengan metode poligon

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