Latihan Persiapan PTS

Latihan Persiapan PTS

10th Grade

10 Qs

quiz-placeholder

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Latihan Persiapan PTS

Latihan Persiapan PTS

Assessment

Quiz

Mathematics

10th Grade

Hard

Created by

Lambok Hutahaean

Used 5+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jika Vektor a ( 2, K), vektor b ( 3,5) dan sudut antara a dan b adalah maka nilai positif k adalah...

0,25

0,5

2

4

8

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Diketahui vektor   a  =( 8,3) dan b =(2,6)  maka a2b adalah\overrightarrow{a\ }\ =\text{( 8,3) dan}\ \overrightarrow{b\ }=\left(-2,-6\right)\ \ maka\ a-2b\ adalah  

(-12, 15)

(12, 15) 

(16, 15)

(15, 27)

(27, 15)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Panjang vektor a =(6, -7) adalah ...

85\sqrt{85}

75\sqrt{75}

65\sqrt{65}

55\sqrt{55}

45\sqrt{45}

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Vektor satuan b = ( -4i + 3j) adalah ...

15(2i +3j)\frac{1}{5}\left(2i\ +3j\right)

15 (2i +3j)\frac{1}{5}\ \left(-2i\ +3j\right)

15 (4i +3j)\frac{1}{5}\ \left(4i\ +3j\right)

15 (4i +3j)\frac{1}{5}\ \left(-4i\ +3j\right)

15 (4i + 5j)\frac{1}{5}\ \left(4i\ +\ 5j\right)

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Diketahui vekor a = 3i + j  dan vektor  b = -i +2j. Proyeksi vektor ortogonal a dan b  adalah ...

 15i +25j-\frac{1}{5}i\ +\frac{2}{5}j  

 15i + 25 j\frac{1}{5}i\ +\ \frac{2}{5\ }j  

 35i +25j\frac{3}{5}i\ +\frac{2}{5}j  

 35i +45j-\frac{3}{5}i\ +\frac{4}{5}j  

 65i +45j\frac{6}{5}i\ +\frac{4}{5}j  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Diketahui titik A (3,4) dan B (2,1). Jika vektor a dan b berturut-turut merupakan vektor posisi titik A dan B, proyeksi vektor ortogonal a pada b adalah ....

-4i-2j

-2i-j

6i+3j

4i+2j

2i+j

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui persegi panjang OABC dengan panjang OA =12, AB = 5, jika OA = u\overrightarrow{u}  OB =  v\overrightarrow{v}  ,maka vekor u x v adalah...

13

60

144

149

156

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