Вектори у просторі
Quiz
•
Mathematics
•
10th Grade
•
Medium

Валентина Шаповал
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Знайдіть координати вектора А̅В, якщо А(1;-1;0), В(0;1;-1).
(1;0;-1)
(-1;2;-1)
(1;-2;1)
(1;-2;1)
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Знайдіть довжину вектора а̅ (1;2;2).
2
3
4
9
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Який вектор дорівнює сумі векторів ̅а̅ (0;1;2) і ̅b̅ (-1;0;2)?
(0;1;4)
(-1;1;4)
(-1;0;4)
(-1;1;0)
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Який з наведених векторів колінеарний вектору ̅а̅ (-1;2;0)
(-2;4;2)
(1;-2;0)
(0;0;1)
(1;-2;-1)
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Знайдіть координати середини відрізка QP, якщо Q(-3;4;-7), P(-5;0;-3).
(2;-4;2)
(-4;2;-5)
(2;-2;4)
(2;-2;2)
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Дано точки А(2;3;1), В(3;4;2), координати вектора АВ дорівнюють
(5;7;3)
(-1;-1;-1)
(-5;-7;-3)
(1;1;1)
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
У рівних векторів:
відповідні координати пропорційні
відповідні координати рівні
відповідні координати мають протилежні знаки
сума координат дорівнює нулю
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