2. Agar bo’lsa, ifodaning son qiymatini toping. A b c d 3

1 – variant
1. Soddalashtiring:

A) B)
C) D)
2. Agar bo’lsa, ifodaning son qiymatini toping.
A) B) C) D) 3
3. Qahva donlari qovurilganda o’z og’irligining 12% ini yo’qotadi. 4,4 kg qovurilgan qahva olish uchun necha kg qahva doni kerak bo’ladi?
A) 6 B) 5 C) 7 D) 8
4. Tenglamani yeching:
A) B) 0,55 C) D)
5. Amallarni bajaring:
A) B) C) D)
6. Tenglamani yeching:
A) 5 B) C) D) 6
7. Amallarni bajaring:
A) B)
C) D)
8. Ko’paytuvchilarga ajrating:
A) B)
C) D)
9. Ko’paytuvchilarga ajrating:
A) B)
C) D)
10. Kasrni qisqartiring:
A) B) C) D)
11. Agar bo’lsa, ifodaning son qiymatini toping.
A) B) C) D)
12. ∆ABC uchburchakning AB tomoni 17 sm, AC tomoni AB tomondan ikki marta katta, BC tomon esa AC tomondan 10 sm ga kichik. ∆ABC uchburchakning perimetrini toping.
A) 95 sm B) 61 sm C) 75 sm D) 65 sm
13. AB va CD kesmalar AB kesmaning o’rtasi bo’lgan O nuqtada kesishadi, bunda OAD= OBC. Agar CD=26 sm, AD=15 sm bo’lsa, BC ni toping.
A) 13 sm B) 14 sm C) 15 sm D) 30 sm
14. To’g’ri to’rtburchakning bir tomoni , ikkinchi tomoni undan ga katta. To’g’ri to’rtburchakning perimetrini toping.
A) B) C) D)
15. ∆ABC uchburchakda B burchak A dan 3 marta kichik, C dan esa 20⁰ ga katta. Uchburchakning burchaklarini hisoblang.
A) 90⁰; 30⁰; 10⁰ B) 120⁰; 40⁰; 20⁰ C) 105⁰; 35⁰; 40⁰ D) 120⁰; 40⁰; 60⁰
16. Agar to’g’ri to’rtburchakning bo’yini 4 sm ga kamaytirib, enini 7 sm ga uzaytirilsa, yuzi to’g’ri to’rtburchakning yuzidan 100 sm² ga katta bo’lgan kvadrat hosil bo’ladi. Kvadratning tomonini toping.
A) 22 sm B) 28 sm C) 17 sm D) 24 sm
17. K nuqta ABC burchak bissektrisasida yotadi. Agar ABC=60⁰, BK=24 sm bo’lsa, K nuqtadan burchak tomonlarigacha bo’lgan masofani toping.
A) 12 sm B) 24 sm C) 48 sm D) 10 sm
18. ABCD to’rtburchakda BC=AD, BCA= CAD. Agar AD=17 sm, DC=14 sm bo’lsa, AB va BC ni toping.
A) AB=14 sm; BC=17 sm B) AB=24 sm; BC=14 sm
C) AB=48 sm; BC=17 sm D) AB=10 sm; BC=17 sm
19. Hisoblang:
A) 2500 B) 125 C) 1250 D) 1200
20. Ifodani soddalashtiring:
A) B) C) D)
21. ko’phadni va orqali ifodalang.
A) (a-b)((a-b)²+3ab) B) ((a-b)²+3ab) C) 3ab D) (a-b)²
22. Kasrni qisqartiring:
A) B) C) D)
23. Umumiy tomoni BC bo’lgan ∆ABC va ∆DBC uchburchaklar berilgan. Agar AC BD, AB=AC, BAC= BCD=80⁰ bo’lsa, CBD burchak nimaga teng?
A) 50⁰ B) 20⁰ C) 30⁰ D) 40⁰
24. ∆ABC da D BC, AB=AD, AD=DC. Agar BAD=90⁰ bo’lsa, CAD burchak nimaga teng?
A) 50 B) 22,5 C) 35 D) 45
25. ∆ABC da AN – A burchak bissektrisasi. Agar bo’lsa, ANC nimaga teng?
A) 5 B) 2 C) 3 D) 4
26. Agar bo’lsa, kasrning qiymatini toping.
A) 2 B) 1 C) 3 D) 4
27. Tenglamani yeching:
A) 1,5 va –1,3 B) –1,5 va –1,3 C) 1,5 va 1,3 D) –1,5 va 1,3
28. tenglama ildizlarining nisbati 6 ga teng. Tenglamaning ildizlarini va q ning qiymatini toping.
A) B)
C) D)
29. Tenglamani yeching:
A) B) C) D)
30. funksiya berilgan. ni toping.
A) B) C) D)
31. Agar funksiyaning grafigi M(2; –8) nuqta orqali o’tsa, k koeffitsiyentning qiymatini toping.
A) B) C) 7 D)
32. Hisoblang:
A) 1 B) 2 C) 3 D) 4
33. Ifodaning qiymatini toping:
A) 16 B) 17 C) 18 D) 19
34. b ning qanday qiymatlarida tenglama chala kvadrat tenglama bo’ladi?
A) B) C) D)
35. tenglama ildizlaridan biri ikkinchisidan 3 marta katta bo’lsa, p ni toping.
A) B) C) D)
36. tenglamaning ildizlari x₁ va x₂ bo’lsa, ifodaning qiymatini toping.
A) 104 B) 98 C) 105 D) 108
37. To’g’ri to’rtburchakning bir tomoni diagonaldan 2 sm, ikkinchi tomoni esa 9 sm ga qisqa. To’g’ri to’rtburchakning yuzini toping.
A) 120 sm² B) 100 sm² C) 110 sm² D) 115 sm²
38. Romb diagonallaridan biri uning tomoniga teng. Rombning burchaklarini toping.
A) 60⁰; 120⁰ B) 80⁰; 100⁰ C) 90⁰; 110⁰ D) 70⁰; 110⁰
39. Teng yonli uchburchakning perimetri 48 sm, asosi 12 sm ga teng. Uchlari berilgan uchburchak tomonlarining o’rtalarida yotuvchi uchburchakning yon tomonini toping.
A) 6 sm B) 9 sm C) 12 sm D) 18 sm
40. 27 ta diagonali bo’lgan qavariq ko’pburchakning nechta tomoni bor?
A) 7 B) 8 C) 9 D) 10
41. ABCD to’g’ri burchakli trapetsiyada BC AD, BAD = 90⁰, BD diagonal esa ADC burchakni teng ikkiga bo’ladi. Agar BC=a, trapetsiyaning o’rta chizig’i ga teng bo’lsa, BCD burchakni toping.
A) 120⁰ B) 100⁰ C) 110⁰ D) 130⁰
42. a = 6 sm, b = 12 sm, c = 18 sm bo’lgan kesmalar berilgan. Bu kesmalarga proportsional bo’lgan d to’rtinchi kesmaning uzunligini toping.
A) 54 sm B) 30 sm C) 36 sm D) 18 sm
43. Parallelogrammning yuzi 288 sm², balandliklari 16 sm va 24 sm bo’lsa, uning perimetrini toping.
A) 40 sm B) 30 sm C) 80 sm D) 60 sm
44. Amallarni bajaring:
A) a²-1 B) a²+1 C) a² D) 1
45. Agar bo’lsa, kasrning qiymatini toping.
A) B) C) D)

46. n ning qanday butun qiymatlarida ifodaning qiymati butun son bo’ladi?

A) 1.2.4.3.5 B) 1.2.5.6 C) 1.5.6 D) 1.2.4.5
47. Tenglamani yeching: .
A) 4; 5 B) 1; 2 C) 1;3 D) 4; 5; 6
48. Teng yonli trapetsiyaning asoslari 8 sm va 14 sm, yon tomoni esa 5 sm gat eng. Trapetsiyaning balandligini toping.
A) 5 B) 2 C) 3 D) 4
49. va tenglamalar bilan berilgan to’g’ri chiziqlarning kesishish nuqtasini toping.
A) B) C) D)
50. Teng yonli uchburchakning balandligi 20 sm, asosi esa 30 sm. Uchburchakning yon tomonini toping.
A) 55 B) 25 C) 35 D) 45