Oylik test -2 ni hisoblang

OYLIK TEST -2
1. ni hisoblang.
A) 2 B) C) D) E)0
2. ni soddalashtiring.
A) B) 4 C) – 4
D) – 6 E)6
3. ning qiymatini hisoblang.
A) 2 B) C) D)
E) 3,2
4. ni hisoblang.
A) 100 B) 30 C) 10
D) 45 E) 65
5.
ni soddalashtiring.
A) B) 1 C)
D) – 1 E)
6.
Tenglamaning ildiziga teng bo’ladigan m ning barcha qiymatlari ko’paytmasini toping.
A) 36 B) C) – 6
D) 6 E)
7. a ning qanday qiymatlarida
tenglamaning yechimi bo’lmaydi?
A) B) C)
D) E) Ø
8. tenglamaning yagona yechimga ega bo’ladigan a ning barcha qiymatlarini toping.
A) a < 0 B) a > 0 C) a = 0 D) a ≥ 0 E) Ø
9.Agar bo’lsa, y – x ning qiymatini toping.
A) 11 B) –9 C)–25
D) 25 E) 18
10. Аgar 2q–4p= –9, 2t–4q= –7 ва 2p–4t = 2 bo’lsa, p + q +t ning qiymatini toping.
A) –7 B) 8 C) 7 D) –8 E)6
11. (αx + 2y)(3x +y) = x² + 7xy + y² Ayniyatdagi noma’lum koeffitsiyentlardan biri  ni toping.
A) 5 B) 6 C) 7 D) 4
12. tenglamalar sistemasini yeching.
A) (– 2; – 2) B) (–2; 2)
C) (–2; 2), (–2; –2) D) (2; 2)
E) (2; 2), (–2; –2)
13. Аgar bo’lsa, k ning qanday qiymatida tenglik o’rinli bo’ladi?
A) 0 B) 1 C) 2 D) 3 E) 4
14. Аgar bo’lsa, ni hisoblang.
A) 2 B) 1 C) 3 D) 4,5 E)1,5
15. va ni taqqoslang.
A) a > b B) a < b C) a = b
D) a = b + 1 E) a = b – 1
16. funksiyaning aniqlanish sohasini toping.
A) [0; 1) U [3; 4)
B) (0; 1] U [3; 4)
C) (0; 1] U [3; 4)
D) (; 0) U (1; 3] U (4; )
E) (; 0) U [1; 3] U (4; )
17.
Tengsizliklar sistemasini yeching.
A) (4; 7] B) (–∞; –7)
C) (–4; ∞) D) [–7; –4) E)
18. a ning qanday qiymatlarida
tenglama birdan kichik ildizga ega bo’ladi?
A) a (-2; 0) B) a (-∞; 0)
C) a (0; 1) D) a [1; 2]
E) a R
19. tengsizliklar sistemasi b ning qanday qiymatlarida yechimga ega bo’lmaydi?
A) (∞; 0)U[2; ∞) B) {2}
C) (0; 2) D) (2; ∞) E) (∞; 0)
20. Аgar a > b > c bo’lsa,
|a  b| + |c  a|  |b  c| ni soddalashtiring.
A) a  2b B) 2c C) 2a D) 2a  2b E) b  2c
21. tenglama nechta ildizga ega?
A) ildizi yo’q B) cheksiz ko’p
C) 1 D) 2 E) 4
22. tengsizlikni yeching.
A) B) (–∞; 0] [2; ∞)
C) [–2; 0] D) [0; 2] E) [–1; 2] 23. |x  1| ≤ 2 tengsizlikni yeching.
A) yechimga ega emas
B) (∞; 1] U [3; ∞)
C) [1; 3] D) [1; 3]
E) (∞; 3]
24. a ning qanday qiymatlarida tengsizlikning yechimlari bo’ladi?
A) B) C)
D) –2; 2 E) ±4
25. tenglamalar sistemasini yeching.
A) B) C) D) E)
26. b ning qanday qiymatlarida b(2–x) = 6 tenglamaning ildizi manfiy ?
A) b (–∞; 0) B) b (0; 3)
C) b (–3; 0) D) b [3; ∞)
E) b R
27. tengsizlikning eng katta va eng kichik butun yechimlari yig’indisini toping.
A) 1 B) –1 C) –2 D) 2 E) 7
28. Аgar 2m + n = 2; 2n + p = 6 va 2p + m = 4 bo’lsa, m + n + p ni toping.
A) 6 B) 4 C) 5 D) 3 E) 8 29. Аgar bo’lsa, ning qiymatini toping.
A) –1 B) –3 C) 3 D) 5 E) 2
30. va kvadrat tenglamaning ildizlari.Ildizlari va ga teng bo’lgan kvadrat tenglamani tuzing.
A)
B)
C) +2
D)
31. + ni hisoblang.
A) -1 B)0 C)1 D)2
32.Ifoda qiymatining oxirgi raqamini toping.
A) 1 B) 7 C) 5 D) 310.
33. 2234 va 2235 sonlarining umumiy natural bo’luvchilari nechta?
34. Quyidagilardan o’zaro tub sonlarni toping.
1) (169;143); 2) (n;n+1), nϵN;
3) (n;n+2), nϵN; 4) (121;144) A)1,2 B)1,3 C)2,4 D)1,4
35. 2013²⁰¹⁵ ni 10 ga bo’lgandagi qoldiqni toping.
A)1 B)3 C)9 D)7
36. soni necha xonali?
A) 90 B) 152 C) 81 D) 153
37. 33 sonini kanonik ko’rinishda yozing.
A) B) C) D)
38. 1440 sonining barcha natural bo’luvchilari yig’indisini toping. A)6198 B)2317
C)5225 D)4914
39. sistemaning yechimlari soni n bo’lsa, n(x²+y²) ifodaning qiymatini toping.
A) 20 B) 40 C) 10 D) 16
40. Tengsizlikni yeching:
.
A) B)
C) [ D)
21. tenglamani yeching. A) 2304 B) C) 2209 D)2401
₄₁. tenglamani yeching. A) B) C) D)
42. tengsizliklar sistemasi nechta butun yechimga ega?
A) 6 B) 5 C) 4 D) 7
43. tengsizliklar sistemasi ning qanday qiymatlarida yechimga ega bo’lmaydi?

44.Agar a+b+c+d+5=a+1=b+2=c+3=d+4 bo’lsa,a+b+c+d ni toping.
A) B) C) D)
45. soniga teskari sonni toping.
A) B) C) D)0,0(17)
46.Hisoblang:
A)2 B)3 C)4 D)1
47.
ni soddalashtiring.
A) B) C)
D)
48. Agar bo’lsa, ning qiymatini toping.
A)1.5 va 2.5 B)0.125
C)2 va -0.125 D)1.5
49. tenglamani yeching.
A) 60 B) 70 C) 36 D) 1
50. = tenglamani yeching.
A)0;2 B) C)0 D)2

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