
vektor
Authored by Miyuki_ivander undefined
Mathematics
11th Grade

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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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