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 17 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. Agar ikki xonali sonning o‘ng tomoniga 6 raqami yozib qo‘yilsa, berilgan sonning yarmi bilan 500 ning yig‘indisiga teng son hosil bo‘ladi. Bu qanday ikki xonali son? A) 30 B) 43 C) 60 D) 52 2 / 30 2. Hisoblang: A) -1/8 B) -1/4 C) 1/8 D) 1/4 3 / 30 3. Funksiyaning aniqlanish sohasini toping. A) (3/4;4) B) (-∞;3/4)∪(4; 7] C) [3/4;7] D) (3/4;7) 4 / 30 4. Qavariq to‘rtburchakning diagonallari 3 va 4 ga teng. Agar qarama qarshi tomonlarining o‘rtalarini tutashtirishdan hosil bo‘lgan kesmalar uzunliklari o‘zaro teng bo‘lsa, qavariq to‘rtburchakning yuzini toping. A) 5 B) 8 C) 6 D) 7 5 / 30 5. Agar ?1 = 6? − 6 va у2//?1 hamda у2 to‘g‘ri chiziq ?(6; 6) nuqtadan o‘tsa, ?2 ni toping. A) −6? + 6 B) 6? − 30 C) −6? + 42 D) 6? − 24 6 / 30 6. Uchinchi raqami to‘rtinchi raqamidan 1 ga kichik bo‘lgan to‘rt xonali sonlar sonini toping A) 810 B) 720 C) 990 D) 900 7 / 30 7. Tenglamani yeching: A) -1 B) 15/17 C) 0 D) 8/17 8 / 30 8. bo‘lsa, f (5 − f (1− f (1− f (0)))) ni toping. A) 19 B) 20 C) 18 D) 21 9 / 30 9. f(x) = ax² + b funksiya grafigi A(-1;5) va B(2;-1) nuqtalardan o‘tadi. f(5 − f(1)) ning qiymatini toping. A) 6 B) 2 C) 5 D) 7 10 / 30 10. ? parametrning qanday musbat qiymatlarida ?² − (? + 3)? + 3? + 11 = 0 tenglamaning barcha ildizlari butun sonlardan iborat bo‘ladi? A) 3 va 15 B) 3 va 10 C) 2 va 3 D) 3 11 / 30 11. ABCD qavariq to‘rtburchakda ∠BAD= ∠CDA= 60∘, ∠BDA= ∠CAB, AB= 2 va CD= 9 bo‘lsa, AD ni toping. A) 9 B) 6 C) 12 D) 11 12 / 30 12. ?³?³ = 1024 tenglikni qanoatlantiruvchi nechta (?; b) butun sonlar juftligi mavjud? A) 3 B) 2 C) 5 D) 4 13 / 30 13. tenglama nechta haqiqiy yechimga ega? A) 4 B) 3 C) 2 D) 1 14 / 30 14. Chizmada AE = 2, BE= 6, DE= 3. Aylana diametrini toping. A) 36 B) 2√45 C) √65 D) √25 15 / 30 15. Tenglamani yeching: A) 3 B) 2 C) 4 D) 5 16 / 30 16. ? parametrning qanday musbat qiymatlarida ?² − (? + 3)? + 3? + 11 = 0 tenglamaning barcha ildizlari butun sonlardan iborat bo‘ladi? A) 3 B) 10 C) 16 D) 15 17 / 30 17. tenglama bilan berilgan aylananing markazi koordinata tekisligining qaysi choragida yotadi? A) IV B) I C) II D) III 18 / 30 18. 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) 13 B) 12 C) 11 D) 14 19 / 30 19. Agar bo'lsa, ni toping. A) 4.5 B) 4 C) 5 D) 3.5 20 / 30 20. ?1 va ?2 sonlari ?² − 7? − 1 = 0 tenglama ildizlari bo‘lsa, ?²1 + ?²2 ni toping. A) 53 B) 4 C) 49 D) 51 21 / 30 21. ABCD qavariq to‘rtburchakka aylana ichki chizilgan. Agar АВ = 7, BC= 11 bo‘lsa, CD − AD ni toping. A) 2 B) 5 C) 3 D) 4 22 / 30 22. Ikki son o’rtasidagi ∆ operatsiyasiga ko‘ra quyidagi natijalar olindi: 7 ∆ 1 operatsiya natijasini toping. A) 86 B) 32 C) 592 D) 125 23 / 30 23. Soddalashtiring: A) a-b B) 2b C) 2a D) a+b 24 / 30 24. bo’lsa, (2? − 3)² ifodaning qiymatini toping. A) 3 B) 5 C) 2 D) 6 25 / 30 25. k parametrning qanday musbat qiymatida 20x²+ ?x + 5 = 0 tenglama bitta ildizga ega? A) 10 B) 40 C) 5 D) 20 26 / 30 26. 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 27 / 30 27. 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 + 2 C) y = x² − 8x − 2 D) y = x² − 8x + 14 28 / 30 28. Soddalashtiring: bunda, |?| < 3 A) 2? − 9 B) 9-2? C) 9 D) 1-2? 29 / 30 29. Agar ni toping. A) 0.8 B) 8 C) 0.16 D) 4 30 / 30 30. ∠BAD= ∠ABD= 20∘, ∠DBC= 110∘, ∠BCD= 30∘ va AB= 2, CD=? A) 2 B) 3 C) 1 D) 4 0% Testni qayta ishga tushiring Tomonidan Wordpress Quiz plugin Author: InfoMaster Foydali bo'lsa mamnunmiz