
Векторы

Quiz
•
Mathematics
•
University
•
Hard
Евгения Дмитрук
Used 5+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Дан вектор a . Указать
вектор 0.5a
a
b
c
d
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Даны два вектора a и b . Указать вектор а+b
a
b
c
d
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
.Даны два вектора a и b . Указать вектор a-b
a
b
c
d
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Даны векторы a = (2;3;1) и b = (-3;1;-2) . Найти координаты вектора 2a + b .
(1;–7;0)
(1;7;0)
(1;–7;3)
(1;5;-2)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Даны точки A(5;4;–1) и B(2;2;0). Найти координаты вектора AB .
(2;-2;1)
(3;-2;1)
(2;2;1)
(-3;-2;1)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найти длину вектора a = (3;0;4)
7
3
10
5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найти скалярное произведение векторов a = (2;-2;7) и b = (1;3;0) .
1
-1
4
-4
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Найти векторное произведение a хb , если a = (-1;-2;0) , b = (5;0;1) .
(–2;–1;10)
(–2;1;10)
(2;1;-10)
(2;1;-10)
9.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Найти смешанное произведение векторов abc , если a = (1;5;3) , b = (2; 2;1) ,c = (3;2;0)
7
-7
5
8
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