PENILAIAN HARIAN VEKTOR (II)

PENILAIAN HARIAN VEKTOR (II)

10th Grade

20 Qs

quiz-placeholder

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PENILAIAN HARIAN VEKTOR (II)

PENILAIAN HARIAN VEKTOR (II)

Assessment

Quiz

Mathematics

10th Grade

Hard

Created by

dita nur

Used 4+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui vektor a=i+2j−xk, b=3i−2j+k dan c=2i+j+2k. Jika ac, maka nilai dari (a+b)∙(ac) adalah… .

-4

-2

0

2

4

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui vektor u=3i+2jk dan v=3i+9j −12k. Jika vektor 2u a tegak lurus terhadap v, maka nilai a = … .

-1

-1/3

1

1/3

3

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Diketahui vektor u=(2,−1,3) dan v=(−3,2,6). Panjang proyeksi vektor skalar 3u+2v pada vektor v adalah ... .

133413\frac{3}{4}

155715\frac{5}{7}

182718\frac{2}{7}

155715\frac{5}{7}

223422\frac{3}{4}

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

1.   Diketahui vektor u=i+2jk dan v=i+j+mk. Panjang proyeksi u pada v adalah
 233\frac{2}{3}\sqrt{3}  Bila m>0, maka nilai m+2= ... .

2

3

5

9

15

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Vektor z adalah proyeksi vektor x=( 3-\sqrt{3} ,3,1)  pada vektor y=( 3\sqrt{3}  ,2,3). Panjang vektor z adalah ... .

1/2

1

3/2

2

5/2

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

1. Diketahui p=ij+2k dan q=2i−2j+nk. Jika Panjang proyeksi vektor p pada q adalah 22, maka n =

1

3

4

6

8

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Jika u dan v adalah dua vektor satuan yang membentuk sudut  45o45^o  , maka (u+v) . = ⋯ .

 2+22\frac{2+\sqrt{2}}{2}  

 

 222\frac{2-\sqrt{2}}{2}  
 

 122\frac{1}{2}\sqrt{2}  

 2\sqrt{2}  

 222\sqrt{2}  

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