9-sinf uchun matematikadan test savollari III xhorak uchun

9-sinf uchun matematikadan test savollari. III chorak. I variant

1. 
   Tenglamani yeching:
   

A) -1 B) 1 C) D) Yechimga ege amas

2. 
   120⁰ ni radianda ifodalang:
   

A) B) C) D)

3. 
   ni graduslarda ifodalang:
   

A) 40⁰ B) 60⁰ C) 75⁰ D) 100⁰

4. 
   P(1;0) nuqtani -90⁰ burchakka burish natijasidagi nuqtani koordinatasini toping.
   

A) (-1;0) B) (0;-1) C) (0;1) D) (1;0)

5. 
   Ko`paytmalarning qaysi biri manfiy?
   

A) cos315⁰sin140⁰ B) tg200⁰ctg202⁰ C) cos165⁰cos300⁰ D) sin185⁰cos185⁰

6. 
   nuqtaga tushish uchun (1;0) nuqtani burish kerak bo`lgan barcha burchaklarni toping.
   

A) B) C) D)

7. 
   (1;0) nuqtani burchakka burishda hosil bo`ladigan nuqtaning koordinatasini toping.
   

A) (0;1) B) (0;-1) C) (1;0) D) (-1;0)

8. 
   Ifodani soddalashtiring:
   

A) B) C) D)

9. 
   Agar va bo`lsa, ni toping
   

A) B) C) D)

10. 
    Ifodaning qiymatini toping: .
    

A) 0 B) 1 C) -1 D) 2

11. 
    Ushbu formulalardan qaysi biri noto`g`ri berilgan?
    

A) B)

C) D)

12. 
    Qo`shish fo`rmulalari yordamida hisoblang:
    

A) 0 B) 1 C) -1 D)

13. 
    Tenglamani yeching: 2
    

A) B) C) D)

14. 
    Uchburchakni uchta tamoni ma’lum bo`lsa, qaysi teoremadan foydalanib uning burchaklarini topish mumkin?
    

A) sinuslar teoremasi B) kosinuslar teoremasi C) Pifagor teoremasi D) Fales teoremasi

15. 
    Ichki burchagi 140⁰ bo`lgan muntazam ko`pburchak tomonlari sonini toping.
    

A) 8 B) 10 C) 11 D) 9

16. 
    Radiusi 4 sm bo`lgan aylanaga ichki chizilgan muntazam oltiburchak tomonini toping
    

A) 4 B) 6 C) 8 D) 10

17. 
    Tomoni 6 ga teng bo`lgan kvadratga ichki chizilgan aylana uzunligini toping.
    

A) 10 B) 4 C) 8 D) 6

18. 
    Tomoni 5 ga teng bo`lgan kvadratga ichki chizilgan doira yuzini toping.
    

A) 12,5 B) 10,5 C) 14,5 D) 6,25

19. 
    Aylananing 90⁰li yoyi uzunligi 15 sm. Aylana radiusini toping.
    

A) 20 sm B) 25 sm C) 30 sm D) 35 sm

20. 
    Istalgan muntazam ko`pburchak uchun noto`g`ri tasdiqni ko`rsating.
    

A) Ichki aylana chizish munkin. B) Diogonallari teng

C) Tomonlari teng D) Burchaklari teng