Вектори

Вектори

10th Grade

18 Qs

quiz-placeholder

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Вектори

Вектори

Assessment

Quiz

Mathematics

10th Grade

Medium

Created by

Леся Ігнатенко

Used 3+ times

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18 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Знайти скалярний добуток векторів a(4;2;1)  i b(2;0;3)\overrightarrow{a}\left(4;-2;1\right)\ \ i\ \overrightarrow{b}\left(2;0;-3\right)  

0

7

3

5

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Знайти координати вектора МК\overrightarrow{МК}  , якщо М(2; 4; - 3), К(8;1;0)


(10; 5; - 3)

( - 6; 3; - 3)

(6; - 3; 3)

(15; 4; 0)

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

При якому значенні k будуть рівними вектори m(52k;6;2)  i   n(k4;6;2)\overrightarrow{m}\left(5-2k;6;-2\right)\ \ i\ \ \ \overrightarrow{n}\left(k-4;6;-2\right)  


- 3

3

- 9

9

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Знайти координати вектора m\overrightarrow{m}  , якщо  m=13n , n(6;12;9)\overrightarrow{m}=-\frac{1}{3}\overrightarrow{n}\ ,\ \overrightarrow{n}\left(-6;12;9\right)  


(2; 4; 3)

(-2; 4; 3)

(- 2; - 4; 3)

(2; - 4; - 3)

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

 Дано вектори a(1;1;2), b(3;2;1).Дано\ вектори\ \overrightarrow{a}\left(-1;1;2\right),\ \overrightarrow{b}\left(3;2;1\right).  Знайти координати вектора  m=a3b\overrightarrow{m}=\overrightarrow{a}-3\overrightarrow{b}  


(2; 1; - 1)

(8; 5; 1)

(10; 5; 1)

( - 10; - 5; - 1)

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Знайти при якому значенні n вектори   a(1;n;2)\overrightarrow{a}\left(1;n;2\right)  i   b(2;1;n)\overrightarrow{b}\left(2;-1;n\right)  будуть перпендикулярними.

- 2

2

- 0,5

1,5

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

     Знайти кут між векторами  m(0;1;0)i n(1;3;0)\overrightarrow{m}\left(0;1;0\right)i\ \overrightarrow{n}\left(-1;\sqrt{3};0\right)  


 30o30^o  

 45o45^o  

 60o60^o  

 120o120^o  

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