Vektor

Vektor

10th Grade

10 Qs

quiz-placeholder

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Vektor

Vektor

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

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20192020 Nurwijayanti

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui vektor-vektor  a =(4  3)\overrightarrow{\ a}\ =\left(_{-4}^{\ \ 3}\right)  dan  b = (  52)\overrightarrow{b\ }=\ \left(_{\ \ 5}^{-2}\right) . Kombinasi linear dari  2a+3b\overrightarrow{2a}+\overrightarrow{3b}  adalah ...  . 

 7i+12j\overrightarrow{7i}+\overrightarrow{12j}  

 7i12j-\overrightarrow{7i}-\overrightarrow{12j}  

 7j\overrightarrow{7j}  

 7i\overrightarrow{7i}  

 7i-\overrightarrow{7i}  

2.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Besar vektor AB jika A(4, 14) dan B(16, -2) adalah ...  .

3.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Besar resultan dari vektor p = ( 23  8)\overrightarrow{p\ }=\ \left(_{\ 23}^{\ \ 8}\right)  dan  q =(212)\overrightarrow{q\ }=\left(_{-2}^{12}\right)  adalah ...  .

4.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Jika koordinat A(0, -6), B(-5, 7), C(1, -6), dan D(2, 1), besar vektor BD+AC\overrightarrow{BD}+\overrightarrow{AC} adalah ...  .

5.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Nilai a  . b \overrightarrow{a\ }\ .\ \overrightarrow{b\ } untuk  a =2i+4k\overrightarrow{a\ }=\overrightarrow{2i}+\overrightarrow{4k}  dan  b =i +5j\overrightarrow{b\ }=\overrightarrow{i\ }+\overrightarrow{5j}  adalah ...  .

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image


 13i+14jk-13\overrightarrow{i}+14\overrightarrow{j}-\overrightarrow{k}  

 18i14j+k18\overrightarrow{i}-14\overrightarrow{j}+\overrightarrow{k}  

 13i14jk13\overrightarrow{i}-14\overrightarrow{j}-\overrightarrow{k}  

 13i14j+19k13\overrightarrow{i}-14\overrightarrow{j}+19\overrightarrow{k}  

 5i+14j+19k5\overrightarrow{i}+14\overrightarrow{j}+19\overrightarrow{k}  

7.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Diketahui vektor-vektor a =2i 1j+8k\overrightarrow{a\ }=-2\overrightarrow{i\ }-1\overrightarrow{j}+8\overrightarrow{k}  dan  b =22i+9j2k\overrightarrow{b\ }=-22\overrightarrow{i}+9j-2\overrightarrow{k}  , panjang vektor  b+a\overrightarrow{b}+\overrightarrow{a}  adalah ...  .

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