
вектори
Authored by Anna Lisniak
Mathematics
9th Grade
Used 21+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Знайти координати вектора AB, якщо А(6; -5; 2), В(7; 6;0).
(1; 1;-2)
(1;11;-2)
(-1;-11;2)
(1;1;2)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Знайти довжину вектора a(6; -8).
14
2
-2
10
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Знайти довжину вектора a(6; -8).
14
2
-2
10
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Чи колінеарні вектори a(8; -4) і b(-2; -1).
так
ні
неможливо визначити
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Знайдіть скалярний добуток векторів a(3; 2) і b(-2; 1)
-8
8
-4
4
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Знайти суму векторів c(4; -8) і b (5; 7)
(9;1)
(9;-1)
(-9;1)
(-9;-1)
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1. Дано вектори a(2; 0; -2), b (0; -3; 0). Координати вектора 3* a- b дорівнюють…
(6; 3; -6)
(-6; 3; 7)
(14; -3; -11)
(14; -1; -7)
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