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Ulangan Harian Vektor X

Authored by LuCya LuCya

Mathematics

10th Grade

Used 20+ times

Ulangan Harian Vektor X
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui titik A ( 4,-1,-2 ) , B ( -6,4,3 ) dan C ( 2.3.5) . titik P membagi AB dengan perbandingan 3 : 2, maka vektor PC adalah…

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2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Titik P ( 2,-1,3 ) membagi ruas garis AB dengan perbadingan 9 : -4. Jika koordinat titik B ( 6,7,-9 ), maka koordinat titik A adalah…

( 11,17,-24 )

( 17,10,-11)

( 24,11,8 )

( -12,8,17 )

( 10,-24,11 )

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Diketahui panjang vektor a dan b masing-masing 5 satuan dan 12 satuan. Besar sudut antara vektor a dan b adalah 135°. Maka hasil kali skalar vektor a dan b adalah….

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4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui vektor a= 2i-3j+k dan b = i-2j+3k . Nilai sinus sudut antara vektor a dan b adalah..

57\frac{5}{7}

114\frac{11}{4}

5314\frac{5\sqrt{3}}{14}

537\frac{5\sqrt{3}}{7}

267\frac{2\sqrt{6}}{7}

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui vektor u = 3i + 2j –k dan v = 3i+9j-12k. Jika vektor 2u – av tegak lurus terhadap v, nilai a sama dengan…

-1

13\frac{-1}{3}

13\frac{1}{3}

1

3

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Berapakah Nilai  sudut antara vektor a dan b  jika diketahui IaI = 1  , I b I = 2 dan I a-b I =   3\sqrt{3}  

 12π\frac{1}{2}\pi  

 13π\frac{1}{3}\pi  

 14π\frac{1}{4}\pi  

 16π\frac{1}{6}\pi  

0

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Besar sudut antara vektor a = -2i +j+ 3k dan b = i + 3j + 2k adalah…..

14π\frac{1}{4}\pi

54π\frac{5}{4}\pi

13π\frac{1}{3}\pi

23π\frac{2}{3}\pi

34π\frac{3}{4}\pi

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