Вектори.

Вектори.

10th Grade

12 Qs

quiz-placeholder

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Вектори.

Вектори.

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

Created by

Olga Zabila

Used 5+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Яка з наведених точок належить площині Оуz?

(3;0;0)

(4;-5;0)

(0;6;2)

(5;0;9)

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Яка з точок е серединою відрізка АВ,якщо А(6;-2;8),

В(-2;6;-2)?

(8;-8;10)

(4;4;6)

(2;0;1)

(2;2;3)

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Знайдіть координати вектора  АВ\overrightarrow{АВ} ,якщо А(1;-3;5),В(5;-1;3 )

(-4;-2;2)

(4;2;-2)

(-5;2;1)

(-4;-4;-2)

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Знайти координати вектора  n\overrightarrow{n}  =2а-b,                    якщо        а\overrightarrow{а}  (4;-3;0), b\overrightarrow{b}  (-1;2;-3)

(7;-8;3)

(9;-4;3)

(9;-8;3)

(9;-8;-3)

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 При якому значенні n вектора  а\overrightarrow{а}  (4;-12;24) і  b\overrightarrow{b}  (1;n;6) колінеарні?

-3

4

-4

3

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

При якому значенні х вектори  с\overrightarrow{с}  (х;2х;9) і  d\overrightarrow{d}  (х;-3;1) перпендикулярні ?

-3;3

3

-3

1;9

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Знайти скалярний добуток векторів а\overrightarrow{а}  (3;-1;4), с\overrightarrow{с}  (2;-3;-1)

-5

5

-1

14

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