sinf – variant

9- sinf
1 – variant
1. ning qanday qiymatida tenglamaning ildizi 0 ga teng bo`ladi?
A) -3 B) 3 C) -3 va 3 D)
2. Kasr ko’rinishida tasvirlang:
A) B) C) D)
3. Hisoblang: (100-1)(100-4)(100-9)…(100-121) .
A) B) C) D)
4. Quyidagi sonlar ichidan irratsional sonlarni toping:

A) B)
C) D)
5. Agar va bo`lsa, ni toping.
A) B) 97 C) D)
6. Qaysi uch xonali son eng ko`p bo`luvchilarga ega ?
A) B) C) D)
7. Tenglamani yeching:
A) B) 5 C) 4 D)
8. Sonlarni kamayish tartibida yozing: .
A) B)
C) D)
9. Ifodani soddalashtiring:
A) B) C) D)
10. Tenglamaning ildizlarini toping:
A) B) C) D)
11. tenglamaning ildizlaridan biri –3 ga teng. Tenglamaning ikkinchi ildizini va koeffitsientni toping.
A) B)
C) D)
12. To’g’ri burchakli uchburchak katetlarining yig’indisi 46 sm, gipotenuzasi esa 34 sm ga teng bo’lsa, katetlarni toping.
A) 16; 30 B) 18; 28 C) 20; 26 D) 19;27
13. Romb perimetri 24 sm, balandligi esa 3 sm ga teng. Rombning burchaklarini toping.
A) 30⁰ va 150⁰ B) 40⁰ va 140⁰ C) 80⁰ va 100⁰ D) 70⁰ va 110⁰
14. To`g`ri burchakli uchburchakda munosabat o`rinli bo`lsa, uning burchaklarini toping. a va b katetlar, S yuzi.
A) B) C) D)
15. Uchburchak tomonlari 8 sm, 10 sm va 14 sm ga teng. Uchlari shu uchburchak tomonlarining o’rtalarida yotuvchi uchburchakning yuzini toping.
A) B) C) D)
16. Qavariq yigirmaburchakning nechta diagonali bor?
A) 180 B) 170 C) 160 D) 110
17. Tomonlari 16 sm, 12 sm va 8 sm bo’lgan uchburchakning eng kichik balandligini toping.
A) B) C) D)
18. To’g’ri burchakli uchburchakning gipotenuzasi 25 sm, katetlari esa 3:4 kabi nisbatda. Uchburchakning kichik katetini toping.
19. Tengsizliklar sistemasini yeching:
20. a ning qanday qiymatlarida kasrlarning ayirmasi 1,2 dan katta bo’ladi?
21. Agar m natural soni o’z kvadratining 25% ini tashkil qilsa, u nechaga teng.
22. Kasrni qisqartiring:

23. MP va NS – MNPS to’rtburchakning diagonallari va O – ularning kesishish nuqtasi. S_MON=12, S_PON=24, S_MOS=16 bo’lsa, S_POS ni toping.

24. Teng yonli trapetsiyaning diagonallari o’zaro perpendikulyar bo’lib, uning yuzi 64 sm² . Trapetsiyaning balandligini toping.
25. AB diametr va AC vatar o’tkazilgan. Agar AC va CB yoylarning gradus o’lchovlari 7:2 kabi nisbatda bo’lsa, BAC burchakni toping.