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EVALUASI VEKTOR A-1

Authored by Muhammad Pursita

Mathematics

1st - 2nd Grade

Used 7+ times

EVALUASI VEKTOR A-1
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14 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Jika vektor  a\overrightarrow{a}  dan vektor  b\overrightarrow{b}  membentuk  <60o<60^o  ,  a=4\left|\overrightarrow{a}\right|=4  dan  b=3\left|\overrightarrow{b}\right|=3  maka nilai operasi vektor  a(ab)=...\overrightarrow{a}\left(\overrightarrow{a}-\overrightarrow{b}\right)=...  

2

4

6

8

10

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Diketahu  a=3i2j\overrightarrow{a}=3\overrightarrow{i}-2\overrightarrow{j}  ,  b= i+4j\overrightarrow{b}=\ -\overrightarrow{i}+4\overrightarrow{j}  dan  r=6i8j\overrightarrow{r}=6\overrightarrow{i}-8\overrightarrow{j}  jika  r=ka+mb\overrightarrow{r}=k\overrightarrow{a}+m\overrightarrow{b}  maka k + m adalah .....

3

2

1

- 1

- 2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahu persegi panjang OABC dengan Panjang OA=12, AB = 5, jika  \overrightarrow{OA}=\overrightarrow{u}  dan  AB=v\overrightarrow{AB}=\overrightarrow{v}  maka  u  \overrightarrow{u}\ \   x  v\overrightarrow{v}  adalah ....

30

60

144

149

156

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vektor satuan dari  p=i4j\overrightarrow{p}=\overrightarrow{i}-4\overrightarrow{j}  adalah ....

 -\frac{1}{\sqrt{17}}\left(\overrightarrow{i}-4\overrightarrow{j}\right)  

  \frac{1}{\sqrt{17}}\left(\overrightarrow{i}-4\overrightarrow{j}\right)  

 \frac{4}{\sqrt{17}}\left(\overrightarrow{i}-4\overrightarrow{j}\right)  

 -  \frac{4}{\sqrt{17}}\left(\overrightarrow{i}-4\overrightarrow{j}\right)  

 172(i4j)\frac{17}{2}\left(\overrightarrow{i}-4\overrightarrow{j}\right)  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Proyeksi ortogonal vektor  b=i+2j\overrightarrow{b}=-\overrightarrow{i}+2\overrightarrow{j}  pada vektor  a=i2j\overrightarrow{a}=i-2\overrightarrow{j}  adalah ....

 56(i2j)\frac{5}{6}\left(\overrightarrow{i}-2\overrightarrow{j}\right)  

 56(i2j)-\frac{5}{6}\left(\overrightarrow{i}-2\overrightarrow{j}\right)  

 54(i2j)-\frac{5}{4}\left(\overrightarrow{i}-2\overrightarrow{j}\right)  

 54(i2j)-\frac{5}{4}\left(\overrightarrow{i}-2\overrightarrow{j}\right)  

 53(i2j)-\frac{5}{3}\left(\overrightarrow{i}-2\overrightarrow{j}\right)  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika koordinat titik  A(4,2), B(1,3) dan C(3,2)A\left(4,-2\right),\ B\left(1,3\right)\ dan\ C\left(-3,2\right)  , maka hasil dari  AB.BC\overrightarrow{AB}.\overrightarrow{BC}  adalah ....

17

7

5

 7-7  

 17-17  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui A, B dan C segaris dengan A(- 2,13) dan B(6,1). Jika AC : CB = 1 : 3 koordinat titik C adalah ....

C( 0, 10 )

C( 0, 7 )

C( 4, 4 )

C( 2, 7 )

C( 2, 3 )

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