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LATIHAN VEKTOR

Authored by yuni supriyatin

Mathematics

12th Grade

Used 2+ times

LATIHAN VEKTOR
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui pada R3 koordinat titik A (−1, 1, 2) dan  B(2, 0, −1)  . Maka vektor AB→\overrightarrow{AB} adalah ...

3i→ − j → − 3k→\overrightarrow{3i}\ -\ \overrightarrow{j\ }\ -\ 3\overrightarrow{k}

3i→ − j → + k→\overrightarrow{3i}\ -\ \overrightarrow{j\ }\ +\ \overrightarrow{k}

i→ − j → − 3k→\overrightarrow{i}\ -\ \overrightarrow{j\ }\ -\ 3\overrightarrow{k}

i→ − j → + k→\overrightarrow{i}\ -\ \overrightarrow{j\ }\ +\ \overrightarrow{k}

3i→ + j → − k→\overrightarrow{3i}\ +\ \overrightarrow{j\ }\ -\ \overrightarrow{k}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt


Diketahui a →= i→+2j →+2k→\overrightarrow{a\ }=\ \overrightarrow{i}+\overrightarrow{2j\ }+\overrightarrow{2k} , b→ = −3i →−j →−2k→ . \overrightarrow{b}\ =\ \overrightarrow{-3i\ }-\overrightarrow{j\ }-\overrightarrow{2k}\ .\ Maka nilai dari a→ . b →\overrightarrow{a}\ .\ \overrightarrow{b\ } adalah ...

-9

-1

0

1

9

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika A (2, 5, 1) , B (-4, 3, -6) dan C (0, -2, 4). Maka nilai dari 2AB →+CB→\overrightarrow{2AB\ }+\overrightarrow{CB} adalah ...

i →−16j →− 24k→\overrightarrow{i\ }-\overrightarrow{16j\ }-\ \overrightarrow{24k}

16i→+j →−24k→\overrightarrow{16i}+\overrightarrow{j\ }-\overrightarrow{24k}

24i→+j →+16k→\overrightarrow{24i}+\overrightarrow{j\ }+\overrightarrow{16k}

−16i→+j →−24k→\overrightarrow{-16i}+\overrightarrow{j\ }-\overrightarrow{24k}

i→+16j →+24k→\overrightarrow{i}+\overrightarrow{16j\ }+\overrightarrow{24k}

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui a→ =2i→−j→+k→\overrightarrow{a}\ =\overrightarrow{2i}-\overrightarrow{j}+\overrightarrow{k} dan b→=i→+j→+2k→\overrightarrow{b}=\overrightarrow{i}+\overrightarrow{j}+\overrightarrow{2k} , maka sudut antar dua vektor yang terbentuk adalah ...

300

450

600

900

1200

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui titik A (2, -1, 4), B (4, 1, 3) dan C (2, 0, 5). Maka cosinus sudut antara AB→ dan AC→\overrightarrow{AB}\ dan\ \overrightarrow{AC} adalah ...

2\sqrt[]{2}

162\frac{1}{6}\sqrt[]{2}

132\frac{1}{3}\sqrt[]{2}

142\frac{1}{4}\sqrt[]{2}

122\frac{1}{2}\sqrt[]{2}

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui Diketahui ∣a→∣=18 dan ∣b→∣=9Diketahui\ \left|\overrightarrow{a}\right|=\sqrt[]{18}\ dan\ \left|\overrightarrow{b}\right|=9 dengan sudut antara a→ dan b→ adalah 450\overrightarrow{a}\ dan\ \overrightarrow{b}\ adalah\ 45^0 .

Maka nilai a→ . b→ = ...\overrightarrow{a}\ .\ \overrightarrow{b}\ =\ ...

23

24

25

26

27

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diberikan a→=(5, 7, 0) dan b→=(−2, 4, 1). Maka nilai dari a →. b→ adalah ...\overrightarrow{a}=\left(5,\ 7,\ 0\right)\ dan\ \overrightarrow{b}=\left(-2,\ 4,\ 1\right).\ Maka\ nilai\ dari\ \overrightarrow{a\ }.\ \overrightarrow{b}\ adalah\ ...

15

16

17

18

19

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