123333
Quiz
•
Mathematics
•
2nd - 4th Grade
•
Practice Problem
•
Hard
New Study
Used 8+ times
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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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