123333

123333

2nd - 4th Grade

14 Qs

quiz-placeholder

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123333

123333

Assessment

Quiz

Mathematics

2nd - 4th Grade

Practice Problem

Hard

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

a(-1, 2) және  b(2, -4) векторлары берілген. Келесі вектордың координатасын табыңыз: 3a+2b

(-1;2)

(1;2)

(1; -2)

(-1;-2)

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

k-ның қандай мәнінде а(6-k;k;2) және b(-3;5k+5;-9) векторлары перпендикуляр болады?

2; -3,6

-2; 3,6

-2; 2

-3,6; 3,6

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Егер А(-2;-1;2),В(4;-3;6), С(1;а-1;1), Д(4;-1;3) болса,онда а-ның қандай мәнiнде АВ және СД векторлары коллинеар болады?

2

-2

3

1

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

m-нiң қандай мәндерiнде АВ (2m;2;3) және BC(-6;-2;m) векторларының ұзындығы тең болады?

3; -3

2; 3

-3; -2

4; 3

5.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Егер |а+в|=19, |а-в|=17 болса және|в|=10 болса,

|а|+|в|. табыңыз.

25

13

23

18

6.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Қабырғалары а(1;2), в(-3;2) векторлары болатынпараллелограмның ауданын табыңыз.

5

9

8

11

7.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Төбелері A(5;4), B(0;3), C(9;8), D(4;7) болатын ABCD параллелограмның ауданын табыңыз.

16,5

8

16

13

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