UH VEKTOR

UH VEKTOR

11th Grade

15 Qs

quiz-placeholder

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UH VEKTOR

UH VEKTOR

Assessment

Quiz

Mathematics

11th Grade

Hard

Created by

Abdul Ma'ruf

Used 52+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui vektor-vektor

 a=4i2j  dan  b=2i+3j.\overrightarrow{a}=4i-2j\ \ dan\ \ \overrightarrow{b}=-2i+3j.  Kombinasi linear dari  3a+2b3\overrightarrow{a}+2\overrightarrow{b}  adalah ....

-8i

8i

-8i - 12j

8i + 12j

8j

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Besar vektor PQ\overrightarrow{PQ}   jika P (-2, 10) dan Q (-14, -6) adalah ... 


12

14

15

18

20

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui vektor-vektor  p=4i5j+k  dan  q=i2j3k\overrightarrow{p}=4i-5j+k\ \ dan\ \ \overrightarrow{q}=i-2j-3k  Vektor  5p2q5\overrightarrow{p}-2\overrightarrow{q}  adalah ....


 18i+21jk -18i+21j-k\   

 18i29j+11k 18i-29j+11k\   

 18i21jk 18i-21j-k\   

 18i21j+11k 18i-21j+11k\   

 18i+29j+k 18i+29j+k\   

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui p=2i+4j2k,  q=4i+jk \overrightarrow{p}=2i+4j-2k,\ \ \overrightarrow{q}=4i+j-k\   dan   r=7i+2k \ \overrightarrow{r}=7i+2k\  

. Jika Vektor  PA=PR+QR,\overrightarrow{PA}=\overrightarrow{PR}+\overrightarrow{QR},  . Vektor a adalah ....

 10ij+5k10i-j+5k  

 10ij+3k10i-j+3k  

 5i4j+4k5i-4j+4k  

 4i5j+4k4i-5j+4k  

 4i5j4k4i-5j-4k  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika besar sudut antara vektor a=i+2j+xk  dan  b=i2j+xk\overrightarrow{a}=i+\sqrt{2}j+xk\ \ dan\ \ \overrightarrow{b}=i-\sqrt{2}j+xk adalah  60o60^o  , nilai x yang memenuhi adalah .... 


 12 dan 12-\frac{1}{2}\ dan\ \frac{1}{2}  

 125 dan 125-\frac{1}{2}\sqrt{5}\ dan\ \frac{1}{2}\sqrt{5}  

-1 dan 1

 2 dan 2-\sqrt{2}\ dan\ \sqrt{2}  

 5  dan  5-\sqrt{5}\ \ dan\ \ \sqrt{5}  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui vektor-vektor a=9i2j22k\overrightarrow{a}=9i-2j-22k  dan  b=i+8j2k\overrightarrow{b}=-i+8j-2k  , panjang vektor  a+b\overrightarrow{a}+\overrightarrow{b}  adalah ....


18

20

22

26

28

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Jarak antara F (-1, 3, 2) dan G (2, -1, 14) adalah ....

13\sqrt{13}

2152\sqrt{15}

13

14

15

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