Ulangan harian ( Vektor, Math IPA kelas X)
Authored by Rajamuddin Sidabalok
Mathematics
11th Grade - University
Used 164+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 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 ...
A. i + 8j + 2 k
B. i + 8 j - 2k
C. i - 8j + 2k
D. - i - 8j + 2k
E. - i - 8j - 2k
A
B
C
D
E
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika vektor a = 10i + 6 j - 3k dan b = 8 i + 3 j + 3k serta c = a - b, maka vektor satuan yang searah denga c adalah...
A. 6/7 i + 2/7 j + 3/7 k
B. 2/7 i + 3/7 j - 6/7 k
C. 2/7 i - 3/7 j + 6/7 k
D. 6/7 i - 3/7 j - 2/j k
E. -2/7 i + 6/7 j - 3/7 k
A
B
C
D
E
3.
MULTIPLE CHOICE QUESTION
2 mins • 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...
A. (1,5,3)
B. (-1,5,3)
C. (-1,0,3)
D. (-1,3,5)
E. (-1,-3,5)
A
B
C
D
E
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui U = 3 i + 2 j + k dan v = 2i + j dimana W = 3 U - 4 V maka besar W =...
A. √5
B. √7
C. √11
D. √13
E. √14
A
B
C
D
E
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui vektor u = 2 i - 3 j + 5 k dan v = - 3 i - 5 j + 2 k menga[it sudut Ɵ. Maka nilai tan Ɵ adalah...
A. √2
B. √3
C. √5
D. √6
E. 1
A
B
C
D
E
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jika a = i - 2j + k, b = 2i - 2j - 3k dan c = -i + j + 2k, maka 2a - 3b - 5 c sama dengan...
A. i + j + k
B. 2i - 5j + k
C. 5i - 2j + k
D. 5i + 2j + k
E. 5 i - 2 j - k
A
B
C
D
E
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika vektor u dan vektor v membentuk sudut 60 derajat dimana IuI = 4 dan IvI = 2, maka u (v + u) =
A. 13
B. 15
C. 17
D. 19
E. 20
A
B
C
D
E
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