25 …26 O`zbekiston respublikasi quva shahar “quva city” education o’quv markazining

105. One advantage of drawing up a work plan for the week is that _____.
A) we realize that a lot of work we do is unnecessary.
B) unexpected problems can be avoided.
C) we can give ourselves two whole free days.
D) it reminds us of what we have to do during the week.
Rus tili : A-variant

Matematika : A-variant
46. Nechta ikki xonali son 15 ga qoldiqsiz bo’linadi.
A) 6 B) 3 C) 4 D) 10

47. 25 ta ketma ket kelgan natural sonning yig’indisi 1000 ga teng bu sonlarning kichigi nechaga teng.

A) 30 B) 28 C) 26 D) 27

48. tenglamani yeching.

A) 1 B) 1/8 C) 1/2 D) -1

49. tenglamaning butun yechimlari nechta?

A) 1 B) 2 C) 3 D) 4

50. tenglama ildizining 2/11 qismini toping

A) 2 B) 4 C)1 D) 8

51. tenglama ildizlari yig’indisini toping.

A) 25/7 B) -10/7 C) -5 D) 5

52. tenglamalar sistemasining ildizlari yig’indisini toping.

A) 2 B) 3 C) 4 D) 5

53. A=18² + 24²+30² bo’lsa A sonining natural bo’luvchilari yig’indisini toping.

A) 6045 B) 6044 C) 6043 D) 6046

54. funksiyaning aniqlanish sohasini toping.

A) B) C) D)

55. funksiyaning qiymatlar sohasini toping.

A) B) C) D)

56. y= -x²+6x-10 funksiyaning eng katta qiymatini toping.

A) 1 B) -1 C) 2 D) 0

57. 9(x⁴+y⁴)-6(x²+y²)+2=0 ekanligini bilgan holda x²+y² ning qiymatini toping

A) 1/3 B) 1 C) 2/3 D) 4/3

58. a₁+a₃+…+a₂₁=a₂+ a₄+…+a₂₀+15 tenglik o’rinli bo’lsa a₁₁ ni toping.

A) 11 B) 13 C) 15 D) 17

59. a₃+a₅=12 S₇ ni toping

A) 18 B) 21 C)42 D)48

60. 3^-x=4+x-x² tenglama nechta ildizga ega?

A) 1 B) 2 C) 4 D) 3

61. (1,5)^3-2x =(1.5)³ tenglamani yeching?

A) 0 B) 1 C) 2 D) 3

62. hisoblang.

A) 9/10 B) 3/4 C) 9/16 D10/16

63. log₄125=a bo’lsa lg64 ni a orqali ifodalang

A) B)
C) D)

64. da monoton funksiyani ko’rsating.

A) y=1-7x B) y=(x-3)²
C) D) y=x²-5x-6

65. Hisoblang: tengsizliklar sistemasi b ning qanday qiymatlarida yechimga ega.

A) B) C) D)

66. Soddalashtiring. a ning qanday qiymatlarida sistema yagona yechimga ega.

A) B) C) D)

67. bo’lsa burchak qaysi chorakka tegishli?

A) II, III B) III, IV C) I, II D) I, III

68. ifodaning eng kichik qiymatini toping?

A) -1 B) 0 C) 1 D) -2

69. ) hisoblang.

A) 0,(7) B) 7/9 C) 0,(07) D) 0,(007)

70. yminutda x (mm) yomg’ir yog’adi. 2,5soatda necha (mm) yomg’ir yog’adi.

A) B) C) D)

71. m ning qanday qiymatlarida tenglama ildizlari musbat bo’ladi.

A) (4;6) B) (-∞;1)(1;4) C) (-∞;4) (6; ∞) D) (-∞;2)

72. Agar tenglamaning ildizlar yig’indisini toping.

A) 4 B) C) -5 D) 0

73. Agar bo’lsa ni toping.

A) 1 B) 2 C) 3 D) 0

74. tenglama ildizlari ko’paytmasini toping.

A) 4 B) -4 C)-2 D)2

75. ni hisoblang.

A) 128 B) 150 C) 200 D)156