Nazorat ishi Bir sonning 20 ko`pi, shu sonning 20% kamidan necha ko`p? A 20% b 60% c 40% d 50% 2

Nazorat ishi
1. Bir sonning 20 % ko`pi, shu sonning 20% kamidan necha % ko`p?
A) 20% B) 60% C) 40% D)50%
2. parabolaning simmetriya o`qi o`qidagi qaysi nuqtadan o`tadi?
A) B) C) D)
3. bo`lsa, vektorning koordinatalarini toping.
A) B) C) D)
4. ning nechta butun qiymatida tenglama haqiqiy ildizga ega emas?
A) 11 B) 12 C) 10 D) 8
5. Tengsizlikni yeching:
A) B)
C) D)
6. funksiyaning gorizontal asimptotasini toping.
A) B) C) D)
7. Quyidagi sistemani qanoatlantiruvchi ning butun qiymatlari nechta:
A) 3 B) 5 C) 2 D) 0
8. tengsizlikning eng kata va eng kichik butun yechimlari nisbatini toping.
A) 0 B) C) D) to`g`ri javob keltirilmagan
9. parabolaning koordinata o`qlari bilan kesishish nuqtalarining koordinatalarini toping.
A) B) C) D)
10. tenglamani yeching.
A) B) C) D)
11. funksiyaning aniqlanish sohasini toping.
A) B) C) D)
12. funksiyaning qiymatlar sohasini toping.
A) B) C) D)
13. Qavariq burchakning diagonallari soni 90 ta bo`lsa, uning tomonlari soni nechta?
A) 6 B) 15 C) 12 D) 8
14. Agar nuqtalar koordinata boshiga nisbatan simmetrik bo`lsa, ni toping.
15. tenglamaning ildizlari bo`lsa, ning butun qiymatlari yig`indisini toping.
16. funksiyani juft va toqlikka tekshiring.
17. tenglamani yeching. Bu yerda sonning butun qismi.
18. tenglama yagona yechimga ega bo`ladigan ning qiymatlarini toping.
19. Bitta nuqtada kesishuvchi ta to`g`ri chiziqlar tekislikni nechta bo`lakka bo`ladi?
20. Sinfda 32 ta joy bor. Bu sinfdagi 28 ta o`quvchini shu joylarga necha xil usulda o`tqazish mumkin?