Diketahui vektor a=i+2j−3k, b=3i+5k, c =−2i−4j+k, dan u=2a+b−c. Vektor u adalah ⋯⋅

Vektor

Quiz
•
Mathematics
•
1st Grade
•
Hard

Christina Dharma
Used 19+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
5i+6j+k
3i-2j-2k
2i-2j
7i+8j-2k
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Vektor basis AB jika A (2,4,-2) dan B(-1,3,-4) adalah...
3i + j + 2k
2i – j + 2k
-3i + j – 2k
-3i – j – 2k
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diberikan P(-4,-2,-3) dan Q(10,0,2). Panjang vektor PQ adalah...
14
15
16
17
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diberikan vektor a= ( 3, -2, 4), b= (0, 5, -4), dan c= (2, -1, 3). Hasil dari 2a+b-3c adalah...
(0,4, -5)
(6,2,0)
(0, -3, -1)
(5, 0, 1)
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui titik A(5, 1, 3), B(2, –1, –1), dan C(4, 2, –4). Besar sudut AB dan BC =
180
90
60
30
0
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui vector a = 4i 2j + 2k dan vector b = 2i – 6j + 4k. Proyeksi vector orthogonal vector a pada vector b adalah
i - j + k
i - 3j + 2k
i - 4j + 4k
2i - j + k
6i - 8j + 6k
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika A (2, -3, 4) dan B (-4, 5, -3), maka vektor AB adalah ....
6i - 8j + 7k
8i + 3j - k
-6i + 8j - 7k
-5i = 4j + 3k
5i + 3j - 2k
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