Diketahui vektor a ⃗=i ̂+2j ̂-3k ̂ dan b ⃗=3i ̂+5k ̂ serta c ⃗=(-2i) ̂-4j ̂+k ̂. Jika vektor u ⃗=2a ̂+b ̂-c ̂, maka vektor u ⃗ adalah...
Matematika Minat Kelas X IPA

Quiz
•
Mathematics
•
12th Grade
•
Hard
Andy Heriyanto
Used 73+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
5i ̂+6j ̂+k ̂
3i ̂-2j ̂-2k ̂
2i ̂-2j ̂
7i ̂+8j ̂-2k ̂
7i ̂-8j ̂-2k ̂
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui A(1,2,3) dan B(3,3,1) serta C(7,5,-3). Jika A, B dan C segaris (kolinear) maka (AB) ⃗:(AC) ⃗ adalah...
1:2
2:1
2:5
5:7
7:5
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui vektor a ⃗=(-√3,3,1) dan b ⃗=(√3,2,3), maka panjang proyeksi vektor a ⃗ pada b ⃗ adalah...
1
2
1/2
3
3/2
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui vektor A(1,0,-2) dan B(2,1,-1) serta C(2,0,-3). Sudut antara vektor (AB) ⃗ dan (AC) ⃗ adalah...
300
900
600
1200
1500
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui vektor a ⃗=(0,2,2) dan b ⃗=(-2,0,2), maka proyeksi vektor orthogonal a ⃗ pad b ⃗ adalah...
-i ̂-k ̂
-(2i) ̂-k ̂
-i ̂-(2k) ̂
-(2i) ̂-2k ̂
-i ̂+k ̂
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Misalkan panjang vektor a ⃗ adalah 1 dan panjang vektor b ⃗ adalah 4 serta a ⃗.b ⃗=4, maka panjang vektor 2a ⃗-b ⃗ adalah...
3√3
2√2
√3
2√3
3√2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui vektor a ⃗=(-8,6) dan b ⃗=(12,10) maka nilai dari 3a ⃗-4v ⃗ adalah..
(█(72@-22))
(█(-72@22))
(█(72@22))
(█(-72@-22))
(█(-72@-12))
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