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

12- variant

1. A={5;6;7;8;9;10},B={8;9;10;11} to’plamlarning ayirmasi C=A\B to’plamni toping.

A) C= {1;2;3;4;5;6;7;8;9} B) C={5;6;7;8;9;10;11}
C) C={5;6;7} D) C={1;3;5;9;10;11}
2. - belgisi qanday belgi.
A) ekvivalensiya B) dizyunksiya C) implikatsiya D) konyunksiya
3. Hisoblang:
A) 0,03 B) 0,9 C) 9 D) 0,09
4. Ifodaning qiymatini toping : -2 , a=-1, b=-2;
A) 3 B) -3 C) 6 D) 12

5. A(x)= x⁴+5x³+9x²+11x+6 ko’phadni B(x)= x²+3x+1 ko’phadga bo’lgandagi qoldiqni toping.

A) 3x-3 B) x+3 C) x-3 D) 3x+3
6.Bo`linmani hisoblang:
A) 2+i B) 2 C) 2-i D) -2-i
7. tenglamani yeching:
A) 4,5 B) 8 C) 11 D) 17
8. Tenglamani yeching: (x²+3)²-11( x²+3)+28=0
A) ±1 va 4 B) ±1 va ±2 C) ±2 D) ±1
9. Tengsizlikni yeching.
A) (-16; 11) B) [-16;11) C) (11; 16] D) [-16; 11]
10. Tengsizlikni yeching:
A) (-∞; -6) B) (-1;6) C) (-1; 6] D) [-1; 6]
11. Funksiyaning qiymatlar sohasini toping: y=-7+2sinx
A) [-9;-5] B) [-5;9] C) [5;9] D) [-9;5]
12. Hisoblang:
A) B) C) D)
13. Soddalashtiring.
A) -2cos2 B) 2cos2 C) sin2 D) 2sin2
14. Tengsizlikni yeching. 2sinx

A) B)

C) D) -
15. Tenglamani yeching
A) 2 B) C) D) 3
16. Tengsizlikni yeching: 4^x-5∙2^x+1+16≤0
A) (0;1) (3; ∞) B) (1;3) C) [1;3] D) [3; ∞)
17. Funksiyaning aniqlanish sohasini toping: y = log_0,3 (7-3x)
A) (-∞;2 ) ( ; ∞) B) (1 ;2) C) (-∞; 2 ) D) (∞; -2 )
18. Hisoblang: 2log₂₅ 30+ log_0,2 6
A) -1 B) 1 C) 0 D) 2
19. Tenglamani yeching: = 2
A) 5 B) 30 C) -25 D) 25
20. Tengsizlikni yeching: log (5-2x) > -2
A) -2 < x < 2,5 B) -2,521. (x,1,2) vektorning uzunligi 3 ga teng. x ning qiymatini toping?
A) 2 B) ±2 C) 0 D) 1

22. Chiziqli o’lchovlari 3; 4 va 2 sm bo’lgan to’gri burchakli parallelepipedning diagonali necha sm?

A) 8 B) 7 C) 10 D) 9
23. Berilgan nuqtadan tekislikka ikkita og`ma va perpendikulyar tushirilgan. Og`malarning proeksiyalari 27 va 15 ga teng hamda ulardan biri ikkinchisidan 6 ga uzun bo`lsa, perpendikulyarning uzunligini toping.
A) 30 B) 39 C) 36 D) 33
24. Ikki yoqli burchakning yoqlarida yotgan A va В nuqtalardan burchakning qirrasiga AA₁ va BB₁ perpendikulyarlar tushirilgan: agar AA₁ = 3, BB₁ = 4, A₁B₁ = 6, AB = 7 bo'lsa, ikki yoqli burchak ni toping.
A) 60⁰ B) 45⁰ C) 30⁰ D) 120⁰
25. Shar katta doirasining yuzi 25 π ga teng. Sharning qanday markazidan qanday masofada o`tkazilgan tekislik shardan doirasining yuzi 9 π gat eng bo`lgan kesim ajratadi?
A) 3 B) 5 C) 6 D) 4