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TES VEKTOR

Authored by Wiwik Andriani

Mathematics

10th Grade

Used 2+ times

TES VEKTOR
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

ABCDEF adalah segi-6 beraturan dengan pusat O. Bila  AB\overline{AB}  dan  BC\overline{BC}  masing-masing dinyatakan oleh vektor  u\overline{u}  dan  v\overline{v} maka  CD \overline{CD\ }  sama dengan...

 u\overline{u}   ++   v\overline{v}  

 u v\overline{u}\ -\overline{v}  

 2u v2\overline{u}\ -\overline{v}  

 u 2v\overline{u}\ -2\overline{v}  

 v u\overline{v}\ -\overline{u}  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui vektor  a =2i3j+4k\overline{a}\ =\overline{2i}-\overline{3j}+\overline{4k}  dan b=5j+5k\overline{b}=\overline{5j}+\overline{5k}  .Nilai  a.b\overline{a}.\overline{b}  adalah...

 9-9  

 11-11  

7

8

11

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Diketahui persamaan x(2,52)+y(1,6,5)=(7,21,2z1)Diketahui\ persamaan\ x\left(2,5-2\right)+y\left(-1,-6,5\right)=\left(-7,-21,2z-1\right)  Nilai z...

 2-2  

3

0

6

30

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui a=3,b=1\left|a\right|=\sqrt{3},\left|b\right|=1  dan ab=1\left|\overline{a}-\overline{b}\right|=1  panjang vektor  a+b=...\overline{a}+\overline{b}=...  

 3\sqrt{3}  

 5\sqrt{5}  

 7\sqrt{7}  

 222\sqrt{2}  

3

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui P ( 1, -2, 5 ), Q (2, -4, 4) dan R (-1, 2, 7) maka  PQ\overline{PQ}  adalah...

3 QR\overline{QR}  

 23QR\frac{2}{3}\overline{QR}  

 13QR\frac{1}{3}\overline{QR}  

 13QR-\frac{1}{3}\overline{QR}  

 3QR-3\overline{QR}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui titik A (2,-1,4), B (1,0,3) dan C (2,0,3). Kosinus sudut antara AB dan AC adalah...

136\frac{1}{3}\sqrt{6}

166\frac{1}{6}\sqrt{6}

0

166-\frac{1}{6}\sqrt{6}

136-\frac{1}{3}\sqrt{6}

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika vektor tak nol  a\overline{a}  dan  b\overline{b}  memenuhi
 a+b=ab\left|\overline{a}+\overline{b}\right|=\left|\overline{a}-\overline{b}\right|  maka vektor
 a dan b ...\overline{a}\ dan\ \overline{b}\ ...  

membentuk sudut  90090^0  

membentuk sudut  60060^0  

membentuk sudut  45045^0  

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