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vektor

Authored by Miyuki_ivander undefined

Mathematics

11th Grade

vektor
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika a = i - 2j + k b = 2i - 2j dan c = - i + j + 2k maka 2a - 3b - 5c sama dengan .....

i + j + k

2i - 5j + k

5i - 2j + k

5i + 2j + k

i - 2j - k

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Misalkan D adalah titik berat segitiga ABC dimana A (2,3,-2), B (-4,1,2) dan C (8,5,-3). Panjang vektor posisi d sama dengan ...

3

5

√5

√14

√13

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui dua vektor u = 4i - mj + 2k dan v = 5i + 2j - 4k saling tegak lurus. Maka harga m adalah:

10

6

5

9

1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui A (1.2.3), B (3,3,1) dan C (7,5,-3). Jika A, B, dan C segaris, perbandingan AB : BC-...

5 : 2

2 : 1

1 : 2

5 : 7

7 : 3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ditentukan A (4,7,0), B (6, 10, 6) dan C (1,9, 0). AB dan AC wakil-wakil dari vektor u dan v. Besar sudut antara u dan v adalah:

π

0

1/4 π

1/2 π

3/4 π

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ditentukan titik-titik P (- 1, 5, 2) dan Q (5, - 4, 17) Jika T pada ruas garis PQ dan PT : QT = 2 : 1 maka vektor posisi titik T adalah ...

( 3, -1, 11 )

( 2, -1, 12 )

( 2, 0, 11 )

( 3, 1, 12 )

( 11, -13, 32 )

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nilai pagar vektor pi + 2j dan 4i - 3j + k saling tegak lurus adalah ...

6

3

1

-1

-6

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