
KUSOL MATEMATIKA VEKTOR
Authored by Septrisna Manurung
Mathematics
5th Grade
Used 11+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui vektor a=ˆi+2ˆj−3ˆk, →b=3ˆi+5ˆk, →c=−2ˆi−4ˆj+ˆk, dan u=2→a+→b−→c. Vektor →u adalah ⋯⋅
5ˆi+6ˆj+ˆk
3ˆi−2ˆj−2ˆk
2ˆi−2ˆj
7ˆi+8ˆj−2ˆk
7ˆi−8ˆj−2ˆk
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui a = t i - 8 j + h k dan b = (t +2) i + 4 j + 2 k. Jika a = - b maka vektor a dapat dinyatakan ...
i + 8j + 2 k
i + 8 j - 2k
i - 8j + 2k
- i - 8j + 2k
- i - 8j - 2k
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui titik-titik A (2, 5, 2), B (3, 2, -1), C (2, 2, 2). Jika a = AB dan b = CA dan c = b - a maka vektor c adalah...
(1,5,3)
(-1,5,3)
(-1,0,3)
(-1,3,5)
(-1,-3,5)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui vektor u = 3 i + 2 j + k dan vektor v = 2i + j dimana W = 3 U - 4 V maka besar atau panjang vektor W =...
√5
√7
√11
√13
√14
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui vektor a=ˆi+2ˆj−xˆk, →b=3ˆi−2ˆj+ˆk, dan vektor c=2ˆi+ˆj+2ˆk. Jika vektor a⊥c, maka nilai dari
(a + b)∙(a − c) adalah ⋯⋅
−4
−2
0
2
4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui titik-titik A (3,-1,0), B(2,4,1) dan C(1.0,5). Maka panjang proyeksi vektor AB pada vektor BC adalah...
1/5 √30
2/5 √30
3/5 √30
4/5 √30
√30
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Diketahui D adalah titik berat segitiga ABC dimana A(2,3,-2), B(-4,1,2) dan C(8,5,-3). Maka panjang vektor posisi d sama dengan:
1
2
√5
√10
√14
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