31. Ifodani soddalashtiring: a b c d

B) C) D)
52. Hisoblang:
A) 14 B) 28 C) 35 D) 49
53. ifodaning eng katta qiymatini toping.
A) 10 B) 24 C) 15 D) 18
54. va ning qanday qiymatlarida tenglamalar sistemasi cheksiz ko’p yechimga ega bo’ladi.
A) B)
C) D)
55. Agar bo’lsa, ning qiymati nimaga teng.
A) -1 B) 2 C) 1 D) 3
56. Tenglama nechta yechimga ega:

A) 2 B) 4 C) 1 D) 3
57. Perimetri 64 ga teng bo`lgan to`g`ri burchakli uchburchak radiusi 5 ga teng bo`lgan aylanaga tashqi chizilgan. Gipotenuza uzunligini toping.
A) 16 B) 23 C) 27 D) 29
58. bo`lsa, ni hisoblang.
A) 0 B) C) D)
59. Ikki sonning ayirmasi 42 ga teng. Ulardan biri ikkinchisidan 4 marta kichik. Shu sonlardan kattasini toping.
A) 52 B) 56 C) 48 D) 60
60. Chizmada berilgan ABCDE ko’pburchakning ning qiymatini toping. Bu yerda

A) 240 B) 340 C) 320 D) 300

31. Ifodani soddalashtiring.

A) B) C) D)
32. tengsizlikni barcha butun yechimlari yig’indisini toping
A) 3 B) 7 C) 0 D) -4
33. va sonlar tenglamaning ildizlari bo’lsa, ( ni hisoblang.
A)800 B)900 C)400 D)81
34. Ifodani soddalashtiring:
A) B)
C) C)
35. Teng yonli uchburchakning yon tomoni 6ga teng. Medianalar kesishish nuqtasidan asosigacha bo’lgan masofa 1ga teng . ABC uchburchak yuzini toping.
A) B) C) 6 D)9
36. sonlar jufti tenglamalar sistemasini qanoatlantirsa , ning qiymatini toping.
A) B) C) D)
37. Kamayuvchi geometrik progressiya uchun
bo’lsa, ni toping.
A) 8 B) 16 C) 24 D) 14
38. bo’lsa, ni hissoblang.
A) 10 B) 9 C) 8 D) 18
39. Kubning yon sirti yuzi bo’lsa, uning to’la sirti yuzini toping.
A) B)
C) D)
40. Romb tomoni 6 sm, bitta burchagi 120 ga teng. Romb tomoniga va katta dioganaliga urunuvchi aylananing radiusini toping.
A) B) C) D)
41. O’ziga qo’shni bo’lgan burchakning 80% ga teng bo’lgan burchakni toping.
A) 30 B)100 C)80 D) 45
42. quyidagilardan qaysi biriga bo’linmaydi.
A) B) C) D)
43. tengsizlik nechta butun yechimga ega?
A) B) 5 C) 7 D)
44. m ning qanday qiymatlarida
Tenglamaning ildizi 1ga teng bo’ladi?
A) -15 B) 12 C) 0 D) -9
45. Uchburchakli va to’g’ri to’rtburchakli to’g’ri prizmalarning barcha qirralari 6ga teng. To’g’ri to’rtburchakli prizmaning hajmi uchburchakli prizmaning hajmidan necha marta katta?
A) B) C) D)
46. tenglamaning ildizlari
yig‘indisini toping.
A) 20 B) 10 C) 4 D) 30
47. va vektorlar orasidagi burchak kosinusini toping.
A) B) C) D)
48. tenglamani yeching.
A) B)
C) D)
49.Uchta yashikda 64,2 kg meva bor. 2-yashikdagi meva 1- yashikdagi mevaning 0,8 qismini tashkil qiladi, 3-yashikda esa 2-yashikdagining 42,5% miqdoricha meva bor . Birinchi yashikda ikkinchi yashikdagiga nisbatan qancha ko’p meva bor.
A) 24 B) 30 C)6 D)4
50. ni hisoblang.
A) 2 B)4 C) 6 D)1
51. Agar tenglik o’rinli bo’lsa, nimaga teng bo’ladi
A) B) C) D)
52. ni hisoblang.
A)64 B) 46 C)56 D)60
53. A= ifodaning eng katta qiymatini toping.
A)2 B)5 C)10 D)15
54. a va b ning qanday qiymatlarida tenglamalar sistemasi yechimga ega bo’lmaydi.
A) B)
C) D)
55. Agar bo’lsa, ning qiymatini toping.
A)0 B)22 C)-1 D)1
56. Quyidagi tenglamaninig ildizi qaysi oraliqda joylashgan.

A)(3;4) B)(4;5) C)(5;6) D)(2;3)
57.Perimetri 72 ga teng bo’lgan to’g’ri burchakli uchburchak radiusi 6 ga teng bo’lgan aylanaga tashqi chizilgan. Gipotenuza uzunligini toping.
A)23 B)27 C)30 D)29
58. f(x)= bo’lsa, f΄( ) ni hisoblang.
A) B) C) D)0
59. Ikki sonnning ayirmasi 36ga teng . Ulardan biri ikkinchisidan 5 marta kichik . Shu sonlardan kattasini toping.
A) 48 B) 60 D)45 D)56
60.Quyidagi chizmada AB//DE , DB kesma CDE burchakning bissektrisasi bo’lsa x ni toping.

A)60 B)65 C)70 D)75