
Вектори в просторі
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Юлия Тонких
Used 20+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Яка з точок D (-6;8;0), F (2;0;7), E (0;-4;3), M (-9;0;0) належать координатній площині хz?
D
E
F
M
Жодна з цих точок
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Точка С – середина відрізка АВ, С(0;1;10), А(2;4;6). Знайдіть координати точки В.
(1;2;8)
(2;6;26)
(-2;3;4)
(1;1.5;-4)
(-2;-2;14)
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Знайдіть скалярний добуток векторів (2;4;0) і (-1;-2;-3 ).
0
-10
-6
-13
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Знайдіть довжину вектора , якщо А(-3;7;1); В(1;5;-3).
5.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Дано вектори (4;-2;х) та вектор (6;х;-4).
При яких значеннях х вектори і перпендикулярні?
6.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Знайдіть кут між векторами (1;0;-1) та (0;-1;1).
7.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Знайдіть градусну міру кута В трикутника АВС, якщо відомі координати його вершин: А(0;2:-2), В(0;-1;1), С(1;-1;0)
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