Uy » Online olimpiada » Matematika olimpiada » 10-sinf Matematika olimpiada №4 Matematika olimpiadaTuman 2022-2023 o'quv yili 10-sinf Matematika olimpiada №4 InfoMaster Avgust 19, 2024 18 Ko'rishlar 200 izohlar SaqlashSaqlanganOlib tashlandi 0 0 123456789101112131415161718192021222324252627282930 Vaqtingiz tugadi! 10-sinf Matematika olimpiada №4 2022-yil 12-oktabr: 2022-2023 o'quv yili tuman bosqichida tushgan savollar! 1 / 30 1. tenglama y ning qanday qiymatlarida o‘rinli. A) 9 B) 729 C) 3 D) 343 2 / 30 2. Uchburchakning ikkita burchagi mos ravishda 38o va 52oga teng. Uchinchi burchagi uchidan tushirilgan bissektrisa va mediana orasidagi burchakni toping. A) 7° B) 10° C) 14° D) 17° 3 / 30 3. Tengsizlikni yeching: A) (4/3;3) B) (5/3;2) C) (1/2;∞) D) (2/3;2) 4 / 30 4. 102022 − 22021 ayirmani 24 ga bo‘lgandagi qoldiqni toping. A) 8 B) 16 C) 0 D) 12 5 / 30 5. englikni qanoatlantiradigan ? ning eng kichik qiymatini toping. A) 0 B) 3 C) 1 D) -1 6 / 30 6. bo’lsa, (2? − 3)² ifodaning qiymatini toping. A) 6 B) 5 C) 2 D) 3 7 / 30 7. ABCD qavariq to‘rtburchakda ∠BAD= ∠CDA= 60∘, ∠BDA= ∠CAB, AB= 2 va CD= 9 bo‘lsa, AD ni toping. A) 6 B) 11 C) 9 D) 12 8 / 30 8. Chizmada ABCD −parallelolgramm. DE ni ntoping. A) 6 B) 5 C) 9 D) 4 9 / 30 9. ? parametrning qanday musbat qiymatlarida ?² − (? + 3)? + 3? + 11 = 0 tenglamaning barcha ildizlari butun sonlardan iborat bo‘ladi? A) 15 B) 16 C) 3 D) 10 10 / 30 10. y = x²− 2 parabolaga y = 2 to‘g‘ri chiziqqa nisbatan simmetrik bo‘lgan parabola tenglamasini tuzing. A) y = x² − 8x + 14 B) y = x² + 8x − 14 C) y = x² − 8x − 2 D) y = x² + 8x + 2 11 / 30 11. ∠BAD= ∠ABD= 20∘, ∠DBC= 110∘, ∠BCD= 30∘ va AB= 2, CD=? A) 2 B) 3 C) 1 D) 4 12 / 30 12. Tenglamani yeching: A) 3 B) 4 C) 2 D) 5 13 / 30 13. Qavariq o‘n ikki burchakning diagonallar sonini toping. A) 54 B) 40 C) 36 D) 48 14 / 30 14. 1,2,3,4…..,2021,2022 sonlar orasidan nechtasi 3 ga ham, 7 ga ham bo‘linmaydi? A) 1098 B) 1128 C) 1156 D) 1084 15 / 30 15. 4 ga karrali va o‘nli yozuvida 4, 5, 6, 8 raqamlari bo‘lmagan to‘rt xonali sonlar nechta? A) 150 B) 180 C) 210 D) 120 16 / 30 16. ?³?³ = 1024 tenglikni qanoatlantiruvchi nechta (?; b) butun sonlar juftligi mavjud? A) 3 B) 4 C) 2 D) 5 17 / 30 17. k parametrning qanday musbat qiymatida 20x²+ ?x + 5 = 0 tenglama bitta ildizga ega? A) 5 B) 20 C) 40 D) 10 18 / 30 18. Raqamlari yig‘indisi 3 ga teng bo‘lgan o‘n xonali natural sonlar nechta? A) 53 B) 54 C) 55 D) 56 19 / 30 19. ?1 va ?2 sonlari ?² − 7? − 1 = 0 tenglama ildizlari bo‘lsa, ?²1 + ?²2 ni toping. A) 4 B) 53 C) 49 D) 51 20 / 30 20. Supermarketda reklama aksiyasi o‘tkazilmoqda: 3 ta shokolad sotib olgan xaridorga 4-shokolad sovg‘a tariqasida qo‘shib beriladi. Bitta shokolad narxi 28000 so‘m. Xaridor 300 000 so‘m evaziga eng ko‘pi bilan nechta shokolad xarid qila oladi? A) 11 B) 14 C) 12 D) 13 21 / 30 21. Ikki son o’rtasidagi ∆ operatsiyasiga ko‘ra quyidagi natijalar olindi: 7 ∆ 1 operatsiya natijasini toping. A) 125 B) 86 C) 592 D) 32 22 / 30 22. Soddalashtiring: A) 2b B) 2a C) a-b D) a+b 23 / 30 23. tenglama nechta haqiqiy yechimga ega? A) 2 B) 3 C) 1 D) 4 24 / 30 24. Agar ni toping. A) 0.16 B) 8 C) 4 D) 0.8 25 / 30 25. Chizmada AE = 2, BE= 6, DE= 3. Aylana diametrini toping. A) √65 B) √25 C) 2√45 D) 36 26 / 30 26. Agar bo'lsa, ni toping. A) 4.5 B) 3.5 C) 4 D) 5 27 / 30 27. f(x) = ax² + b funksiya grafigi A(-1;5) va B(2;-1) nuqtalardan o‘tadi. f(5 − f(1)) ning qiymatini toping. A) 2 B) 7 C) 5 D) 6 28 / 30 28. tenglama bilan berilgan aylananing markazi koordinata tekisligining qaysi choragida yotadi? A) IV B) III C) II D) I 29 / 30 29. Uchinchi raqami to‘rtinchi raqamidan 1 ga kichik bo‘lgan to‘rt xonali sonlar sonini toping A) 900 B) 810 C) 720 D) 990 30 / 30 30. y = 4x² − 3x − 5 parabolaga x(0; 0) nuqtaga nisbatan simmetrik bo‘lgan parabola tenglamasini ko‘rsating. A) y= 4x² − 3x + 5 B) y=-4x² − 3x+ 5 C) y= -4x² − 3x - 5 D) y= 4x² + 3x - 5 0% Testni qayta ishga tushiring Tomonidan Wordpress Quiz plugin Author: InfoMaster Foydali bo'lsa mamnunmiz