
PENILAIAN HARIAN VEKTOR (II)
Quiz
•
Mathematics
•
10th Grade
•
Hard

dita nur
Used 4+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Diketahui vektor a=i+2j−xk, b=3i−2j+k dan c=2i+j+2k. Jika a⊥c, maka nilai dari (a+b)∙(a – c) adalah… .
-4
-2
0
2
4
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Diketahui vektor u=3i+2j− k dan v=3i+9j −12k. Jika vektor 2u − a tegak lurus terhadap v, maka nilai a = … .
-1
-1/3
1
1/3
3
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Diketahui vektor u=(2,−1,3) dan v=(−3,2,6). Panjang proyeksi vektor skalar 3u+2v pada vektor v adalah ... .
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
1. Diketahui vektor u=i+2j−k dan v=i+j+mk. Panjang proyeksi u pada v adalah
Bila m>0, maka nilai m+2= ... .
2
3
5
9
15
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Vektor z adalah proyeksi vektor x=( ,3,1) pada vektor y=( ,2,3). Panjang vektor z adalah ... .
1/2
1
3/2
2
5/2
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
1. Diketahui p=i−j+2k dan q=2i−2j+nk. Jika Panjang proyeksi vektor p pada q adalah 22, maka n =
1
3
4
6
8
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Jika u dan v adalah dua vektor satuan yang membentuk sudut , maka (u+v) . v = ⋯ .
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