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test matematika fanida akademik litse

2- variant
1. A={ 3;5;7;9},B={1;3;8;9;10} to’plamlarning kesishmasi bo’lgan C to’plamni toping.
A) C= {3;5;7;9} B) C={5;10} C) C={3;9} D) C={1;3;5;7;8;9;10}
2. - belgisi qanday belgi.
A) ekvivalensiya B) dizyunksiya C) implikatsiya D) konyunksiya
3. Kasrning qiymati 40 dan qanchaga kam?
A) 160 B) 140 C) 180 D) 200
4. Hisoblang.
A) 1 B) 1 C) 1 D)
5. A(x)=x3+2x2+x+1 ko’phadni B(x)=x+1 ko’phadga bo’lgandagi qoldiqni toping.
A) x B) 1 C) x2 D) x2-1
6. Yig’indini toping: 4+(-3+i)
A) 7+i B) -1+i C) 1+i D) i
7. Tenglamani yeching: x4-4x2+4=0
A) ± B) ±2 C) D) -
8. tenglamani yeching .
A) x€Z, x≠2 B) x≠2 C) x=2 D) x€R, x≠-2
9. x< tengsizlikni yeching.
A) (-∞; 1) B) (-∞;2) C) (-∞;1] (1; ∞ ) D) (2; ∞ )
10. 5 -8=2 tenglamani yeching.
A) 16 B) 5 C) 4 D) -4
11. y=sin(5x-3) funksiyaning davrini toping.
A) B) C) D)
12. Hisoblang:
A) 1 B) 0 C) -1 D) 0,5
13. Tenglamani yeching. ctg(2x+ )=
A) B) C) (-1)k D) 14. Tengsizlikni yeching.
A) - B)
C) - D)
15. Quyidagilardan qaysilari o’suvchi funksiyalar?
1. y=3x, 2. y=( )x, 3. y=( )x, 4. y= , 5. y=(0,84)x
A) 1;2;4 B)1;2;3 C) 3;4;5 D) 2;3;4
16. Tengsizlikni yeching: 52x+1 > 5x +4 A) x>-1 B) x<0 C) x>0 D) x<2
17.Tenglamada x ni qabul qilishi mumkin bo`lgan qiymatlar to`plamini ko`rsating:
lg(x-3)-lg(x+9)=lg(x-2)
A) (2;3) B) (9;∞) C) (-9; ∞) D) (3;∞)
18. Hisoblang. log864-log88
A) 8 B) 1 C) -8 D) 56
19. Tenglamani yeching. log3(x-1)=2
A) 10 B) 9 C) 2 D) 0
20. Tengsizlikni yeching. log4(x+1)≤log4(5-x)
A) (-1;5) B) [2;∞) C) (-1;2) (2;5) D) (-∞;2]
21. Bitta nuqtadan tekislikka og`ma va perpendikulyar o`tkazilgan. Og’maning uzunligi 5, perpendikulyarniki 4 sm.Og’maning tekislikdagi proeksiyalarini toping.
A) 4 B) 3 C) 6 D) 9
22. m va n larning qanday qiymatlarida (-1;m;2) va (-2;-4; n) vektorlar kollinear bo`ladi.
A) 2;-4 B) -2;-4 C) 2;4 D) -2;4
23. To’g’ri burchakli parallelepipedning uchta o’lchovi a=12, b=21, c=16 berilgan bo’lsa, uning diagonali topilsin.
A) 25 B) 27 С) 29 D) 26
24. Piramidaning asosi 6sm, balandligi 9 sm bo’lgan teng yonli uchburchakdan iborat. Piramidaning yon qirralari o’zaro teng va 13 sm bo’lsa, piramidaning balandligi topilsin.
A) 16 B) 8 С) 14 D) 12
25. A(x;0;0) nuqta B(1;2;3) va C(-1;3;4) nuqtalardan teng uzoqlikda joylashgan bo`lsa, x ni toping.
A) -1 B) -2 С) -3 D) 3

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