Diketahui vektor a = i+2j-3k, b = 3i+5k, c = -2i-4j+k, dan u=2a+b-c. vektor u adalah ....
REMIDI TF KD 3.2.1

Quiz
•
Mathematics
•
10th Grade
•
Medium
Retmasari Cindy
Used 5+ 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
7i-8j-2k
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui ABCDEF adalah segienam beraturan dengan pusat O. Jika vektor AB = u dan AF = v, tentukan vektor AE adalah ....
2v-u
2u-v
u-2v
v-2u
v-u
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui vektor a = (3,-2), vektor b = (4,1), dan vektor c = (-2,-1). Jika 2a-3b+kc = (0,-4), dengan k bilangan real, maka nilai k adalah ....
-5
-3
-1
1
3
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika p,q, dan s berturut-turut adalah vektor posisi titik-titik sudut jajaran genjang PQRS dengan PQ sejajar SR, maka s adalah ....
-p+q+r
-p-q+r
p-q+r
p-q-r
p+q+r
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Bentuk sederhana dari 3a - (2b+5c) - (2a-b+c) adalah ....
a+b+6c
a-b-6c
6a+b-c
a-6b+c
a+b+c
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
a = -i+4j, b = 2i+j, c = 3i-4j, dan x = pa+qb dengan p dan q bilangan real tidak nol. Jika x sejajar c, maka p dan q memenuhi hubungan .....
8p-11q=0
8p+11q=0
p-q=0
11p-8q=0
11p+8q=0
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diberikan limas TABC. Misalkan u = TA, v = TB, dan w = TC. Jika P adalah titik berat limas TABC maka ....
1/3 (u+v+w)
1/2 (u+v+w)
2/3 (u+v+w)
3/4 (u+v+w)
u+v+w
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