Diketahui vektor a = 3i + j – 5k dan vektor b = -i + 2j – 2k. Proyeksi ortogonal vektor a pada b adalah ...

penilaian harian vektor x DPIB

Quiz
•
Mathematics
•
10th Grade
•
Hard
Fitri Fromdona
Used 2+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
-i - 2j –2k
-i - 2j +2k
-i + 2j –2k
i + 2j –2k
i + 2j +2k
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui vektor a = 2i - 3j + 4k dan vektor b = 4i - 2j + 4k. Panjang proyeksi skalar pada vektor a pada b adalah ...
15
5
1
1/5
1/15
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Kosinus sudut antara vektor a = 2i + 2j + k dan vektor b = 6i + 2j - 3k adalah ...
-4/21
0
13/21
10/21
13/25
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui panjang vector a adalah 8 dan panjang vector b adalah 7, dan sudut antara kedua vektor tersebut 60 derajat maka Nilai a.b adalah ...
56
30
28
26
24
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Besar sudut antara vektor a = 3i + 2j + 4k dan vektor b = 2i + 3j - 3k adalah ...
180 derajat
90 derajat
60 derajat
30 derajat
0 derajat
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui vektor p = 3i + 4j + mk dan vektor q = 2i - 3j + 5k . Jika perkalian vektor p.q = 4, maka nilai m adalah ...
2
2/5
-2/5
-1
-2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Jika diketahui Vektor a = 2i - 3j + 6k dan vektor b = i + 2j - k maka nilai perkalian vector a.b adalah ...
-10
-5
1
10
5
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