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test matematika fanida akademik litse

9- variant

1. A={1;2;3;4;5},B={3;4;5;6;7;8;9} to’plamlarning ayirmasi C=A\B 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={6;7;8;9}
2. Mantiqiy amal belgilaridan foydalanib jumlani yozing: Ixtiyoriy x haqiqiy son uchun \x\>x.
A) x R: \x\≥x. B) x R: \x\ C) x≥0, x R: D) x<0, x R:
3. Hisoblang:
A) B) C) - D) -
4. Ifodaning qiymatini toping : +2 , a=-4, b=6;
A) -16 B) 4 C) 16 D) 12
5. A(x)=x3-3x2+5x-6 ko’phadni B(x)=x-2 ko’phadga bo’lgandagi qoldiqni toping.
A) 0 B) 2 C) 3 D) -1
6. Bo`linmani hisoblang:
A) B) C) D)
7. Ko`paytuvchilarga ajrating: x2-3x+2
A) (x-1)(x+2) B) (x-2)(x+1) C) (x-1)(x-2) D) (x+1)(x+2)
8. Tenglamani yeching:
A) - B) C) D) -
9. Tenglamani yeching
A) 1 B) 2 C) -2 D) -1
10. Irratsional tengsizlikni yeching:
A) [5; 9] B) [-5;-9] C) (5;9) D) [-5;9)
11. . Funksiyaning qiymatlar sohasini toping: y=-3+2cosx
A) [-3;2] B) [-5;-1] C) [-2;2] D) [-1;1]
12. Soddalashtiring.
A) cosα B) tgα C) 2cos2α D) sin2α
13. Tenglamani yeching. cos4x=-1
A) B) C) D)
14. Tengsizlikni yeching.
A) B)
C) D)
15. Tenglamani yeching. 32x-1+32x=108
A) 4 B) -1 C) 3 D) 1
16. Tengsizlikni yeching. 0,25x≥0,54x-8
A) (-∞;4) B) (-∞;2] C) [2;∞) D) [4;∞)
17. f(x)=log3(2-x) funksiyaning aniqlanish sohasini toping.
A) (-∞;2) B) (2; ∞) C) (0;2) D) (0; 2]
18. Tenglamani yeching. log (3x-1)=log (6x+8)
A) 3 B) 2 C) -3 D) -2
19. Tengsizlikni yeching. log4(x+1)≤log4(5-x)
A) (-∞;3) B) (-∞;3] C) (-3;∞) D) (-∞;-3)
20. Hisoblang: 2log2530+log0,26 A) -1 B) 0 C) 1 D) 2
21.Bitta tekislikka og’ma va perpendikulyar o’tkazilgan. Og’maning uzunligi 10 sm , perpendikulyarniki 6 sm .og’maning tekislikdagi proyeksiyasi necha santimetr.
A) 4 sm B) 2sm C) 5 sm D) 8 sm
22. n ning qanday qiymatida (n;-2;4) va (n;3n;1,25) vektorlar perpendikulyar
bo’ladi?

  1. 1;5 B) 3 C) 2;1 D) 6;1

23. A(0;y;0) nuqta B (1;2;3) va C (-1; 3;4) nuqtalardan teng uzoqlikdaligi ma`lum bo`lsa, y ni toping.
A) 5 B) 6 C) -5 D) -6
24. To’g’ri burchakli parallelepipedning uchta o’lchovi a=2, b=1, c=2 berilgan bo’lsa, uning
diagonali topilsin.
A) 4 B) 3,5 С) 2 D) 3
25. Konus asosining radiusi 12 ga, yasovchisi esa 40 ga teng. Shu konus yoyilmasining uchigagi burchagini toping.
A) 1080 B) 900 C) 1200 D) 750

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