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MATEMATIKA (PEMINATAN) KELAS X IPA 4

Authored by dedi putra

Mathematics

10th Grade

CCSS covered

Used 153+ times

MATEMATIKA (PEMINATAN) KELAS X IPA 4
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20 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Diketahui :
vektor a = (4, -2)
 a = (4, 2)\overline{a}\ =\ \left(4,\ -2\right)  dan  b =(5, 1)\overline{b}\ =\left(5,\ 1\right)  
Maka 
 a + b\overline{a}\ +\ \overline{b}  
 adalah . . .

(9, -1)

(9, 3)

(-1, -1)

(1, 3)

(1, -3)

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Diketahui vektor a = 2 î + 5 j, vektor b = 3 î + 7 j dan vektor c = î + 4 j. Maka a + 3b + 2c adalah . . . .

13 î + 34 j

13 î - 34 j

34 î + 13 j

34 î - 13 j

34î - 3j

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Nilai x yang memenuhi persamaan diatas adalah ….

12\frac{\text{1}}{\text{2}}

32\frac{\text{3}}{\text{2}}

52\frac{5}{2}

72\frac{7}{2}

4

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Nilai 3x yang memenuhi persamaan diatas adalah …

2

3

6

8

12

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Diketahui vektor - vektor

 a =8i  4 j  +3k \overrightarrow{a\ }=8\overrightarrow{i\ \ }-4\ \overrightarrow{j\ \ }+3\overrightarrow{k\ }  , b =3 j  2k \overrightarrow{b\ }=3\ \overrightarrow{j\ \ }-2\overrightarrow{k\ }  dan  c =i  +5 j  +7k \overrightarrow{c\ }=-\overrightarrow{i\ \ }+5\ \overrightarrow{j\ \ }+7\overrightarrow{k\ }  . Resultan  dari  2a  b +3c 2\overrightarrow{a\ }-\ \overrightarrow{b\ }+3\overrightarrow{c\ }  

 13i  +4 j  +25k 13\overrightarrow{i\ \ }+4\ \overrightarrow{j\ \ }+25\overrightarrow{k\ }  

 13i  +4 j  +29k 13\overrightarrow{i\ \ }+4\ \overrightarrow{j\ \ }+29\overrightarrow{k\ }   

 10i  +9 j  +27k 10\overrightarrow{i\ \ }+9\ \overrightarrow{j\ \ }+27\overrightarrow{k\ }  

 10i  +5 j  +27k 10\overrightarrow{i\ \ }+5\ \overrightarrow{j\ \ }+27\overrightarrow{k\ }  

 10i  +7 j  +29k 10\overrightarrow{i\ \ }+7\ \overrightarrow{j\ \ }+29\overrightarrow{k\ }  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Diketahui

 a = 3i  2j  \overrightarrow{a\ }=\ 3\overrightarrow{i\ \ }-2\overrightarrow{j\ \ }  b = i  +4j  \overrightarrow{b\ }=\ -\overrightarrow{i\ \ }+4\overrightarrow{j\ \ }   r = 7i  8j  \overrightarrow{r\ }=\ 7\overrightarrow{i\ \ }-8\overrightarrow{j\ \ }  jika  r = ka  +mb  \overrightarrow{r\ }=\ k\overrightarrow{a\ \ }+m\overrightarrow{b\ \ }  maka k+mk+m  = ......

 33  

 22  

 11  

 1-1  

 2-2  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

   Diketahui titik A(3, 1,4)A\left(3,\ 1,-4\right)  B (3,4, 6)B\ \left(3,-4,\ 6\right)  , C(1, 5, 4)C\left(-1,\ 5,\ 4\right)  titik P membagi AB sehingga AP : PB = 3: 2, maka vetor yang mewakili oleh  PC\overrightarrow{PC}  adalah....

 

 (4, 3,6)\left(-4,\ 3,-6\right)  

 (4, 3 , 6)\left(-4,\ 3\ ,\ 6\right)  

 (4, 7,2)\left(-4,\ -7,-2\right)  

 (4, 7,2)\left(4,\ -7,-2\right)  

 (4, 7, 2)\left(-4,\ 7,\ 2\right)  

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