Ta’lim tizimidagi chuqur va keng ko`lamli islohotlarning mazmuni va amalga oshirish muddatlari O`zbekiston Respublikasining "Ta’lim to`g`risidagi" qonunda o`z ifodasini topgan

8- variant

1. A={1;2;3;4;5},B={3;4;5;6;7;8;9} to’plamlarning birlashmasi bo’lgan C to’plamni toping.

A) C= {1;2;3;4;5;6;7;8;9} B) C={1;2} C) C={1;2;3;4;5} D) C={1;3;5;7;9}
2. A mulohazaning inkori deb nimaga aytiladi?
A) A chin bolganda chin, A yolg'on bolganda esa yolg`on b`oladigan mulohazaga aytiladi
B) A chin bolganda chin , A yolg'on bolganda esa chin bo`ladigan mulohazaga aytiladi
C) A chin bolganda yolg'on, A yolg'on bolganda esa chin bo`ladigan mulohazaga aytiladi
D) A chin bolganda chin, A yolg'on bolganda esa chin b`oladigan mulohazaga aytiladi
3. Hisoblang:
A) B) C) - D) -
4. Sonlarni kamayish tartibida yozing: m=|8,(8)|; n=|-8,8|; p= va q= |- |
A) n>m>p>q B) m>n>p>q C) q>m>n>p D) m>q>n>p
5. P(x)=x²-5x-7 ko’phadni Q(x)=x-1 ga bo’lgandagi qoldiqni toping.
A) -11 B) 11 C) -11x D) 22
6. Ko’paytmani hisoblang: (3+5i)(3-i)
A) 4-18i B)14+11i C) 14+5i D) 14+12i
7. Ko`paytuvchilarga ajrating: x²-x-2
A) (x-1)(x+2) B) (x-1)(x-2) C) (x+1)(x+2) D) (x+1)(x-2)
8. Tenglamani yeching:
A) -1 B) 1 C) 0 va 1 D) -1 va 0
9. Tengsizlikni yeching:x³-0,01x>0
A) (-0,1; 0) (0,1; ∞) B) (-∞;0,1) C) (-∞;-0,1) (-0,1; ∞) D) (0,1; ∞ )
10.Irratsional tengsizlikni yeching:
A) (-∞;-5] B) [5;7] C) (5;7) D) [-5;+∞)
11. Tenglamani yeching. 2sinx=-1
A) - B) - C) (-1)^k D) (-)^k+1
12.Funksiyaning davrini toping: y=tg
A) 4 B) C) 2 D)
13. Tenglamani yeching.
A) B)
C) D)
14. Tengsizlikni yeching.
A) B)
C) D)
15. Tenglamani yeching. 4^x-5·2^x+4 = 0
A) 0; 2 B) 0 ; -2 C) -1;0 D) 3;-1
16. Ko`rsatkichli tengsizlikni yeching:
A) x=0 B) x<0 C) x>0 D) x=1
17. Tenglamani yeching. log₈ log₄ log₂x=0
A) 12 B) 13 C) 16 D) 18
18. Tengsizlikni yeching: log ₁₅(x-3)+log₁₅(x-5)<1
A) 519. Hisoblang:
A) 2 B) 2,4 C) 2 D) 2
20. Ushbu y=log₃(x(x-3))-log₃x funksiyaning aniqlanish sohasini toping:
A) (-∞;3) B) (3;∞) C) (-∞;3) D) [3; ∞)
21. Bitta nuqtadan tekislikka uzunliklari 23 va 33 bo`lgan ikkita og`ma tushirilgan. Agar og`maning proeksiyalarining nisbati 2:3 kabi bo`lsa, berilgan nuqtadan tekislikkacha bo`lgan masofani toping.
A) 12 B) 6 C) 11 D) 9
22. x ning qanday qiymatlarida (2;3;-4) va (x;-6;8) vektorlar parallel bo’ladi?
A) -2 B) -4 C) 4 D) -3
23. Bir uchi A(2;6;8) nuqtada, ikkinchi uchi koordinata boshida bo`lgan kesma o`rtasining koordinatalarini toping.
A) (-1;3;4) B) (-2;3;4) C) (1;3;4) D) (1;-3;4)
24. To`g`ri burchakli parallelepipedning balandligi 21 sm bo`lib, u bo`yi bilan enining ayirmasiga teng. Bo`yi enidan 4 marta katta bo`lsa, parallelepiped yon sirtini toping.
A) 1588 B) 1862 C) 1470 D) 1324
25. Muntazam uchburchakli piramidaning balandligi 4 ga, asosining balandligi esa 4,5 ga teng. Piramidaning yon qirrasini toping.
A) 6 B) 6,5 C) 5 D) 5,5