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Operasi pada Vektor

Authored by Fitrahlaelah Asri

Mathematics

11th Grade

Used 1+ times

Operasi pada Vektor
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 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}

2.

MULTIPLE CHOICE QUESTION

10 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

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika vektor \overrightarrow{A}+\overrightarrow{B}=6i+2j   dan vektor  A=2i+j\overrightarrow{A}=2i+j   maka vektor  B\overrightarrow{B}   adalah ...

4i + j

i + 4j

8i + 3j

3i + 8j

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Jika koordinat  A(3,5), B(4, 1), C(0,6),A\left(3,-5\right),\ B\left(-4,\ 1\right),\ C\left(0,-6\right),  dan  D(5,7)D\left(-5,-7\right)  , vektor  AB+BC+CD\overrightarrow{AB}+\overrightarrow{BC}+\overrightarrow{CD}  adalah ...

 8i2j-8\overrightarrow{i}-2\overrightarrow{j}  

 8i+2j-8\overrightarrow{i}+2\overrightarrow{j}  

 2i+2j-2\overrightarrow{i}+2\overrightarrow{j}  

 8i12j8\overrightarrow{i}-12\overrightarrow{j}  

 8i+12j8\overrightarrow{i}+12\overrightarrow{j}  

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Diketahui vektor  s=(2, 4), t=(3, 1), \overrightarrow{s}=\left(-2,\ -4\right),\ \overrightarrow{t}=\left(3,\ -1\right),\   dan  u=(2, 3)\overrightarrow{u}=\left(-2,\ 3\right)  vektor hasil dari  s+2t3u\overrightarrow{s}+2\overrightarrow{t}-3\overrightarrow{u}  adalah ...

 9i10j9\overrightarrow{i}-10\overrightarrow{j}  

 10i15j10\overrightarrow{i}-15\overrightarrow{j}  

 7i12j7\overrightarrow{i}-12j  

 9i+8j9\overrightarrow{i}+8\overrightarrow{j}  

 7i10j7\overrightarrow{i}-10\overrightarrow{j}  

6.

MULTIPLE CHOICE QUESTION

5 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  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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