Bellashuv uz – Barcha fanlardan testlar banki matematika 9-sinf I variant

Bellashuv.uz – Barcha fanlardan testlar banki

MATEMATIKA 9-SINF I variant

1. Tenglamani eching.

1+1995+1995²+1995³+…+1995^x=(1+1995)(1+1995²)(1+1995⁴)(1+1995⁸)(1+1995¹⁶)

1. 
   32 B) 33 C) 34 D) 31
   

2. Parametr a ning qanday qiymatlarida tenglama ildizga ega emas.

A) B) C)

D)

3. Ifodaning son qiymatini toping.

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

4. b ning qanday qiymatida tenglama 2 ta ildizga ega.

A) B) C) D)

5. Ikkita mis va rux qorishmasi bo’lakchasi massasi 30 kg. Birinchi qotishmada 5 kg mis, ikkinchisida 4 kg mis bor. Agar ikkinchi qotishma tarkibida birinchi qotishmaga qaraganda 15% ko’p mis bo’lsa, birinchi qotishmada necha foiz mis bor ?

A) 15 B) 10 C) 25 D) 35

6. 0,2% i ifodaning qiymatiga teng bo’lgan sonni toping.

A) 900 B) 700 C) 1000 D) 800

7. Hisoblang

A) B) C) D)1

8. Kasrni qisqartiring:

A) B) 2 C) D)

9. Ifodani soddalashtiring: .

A) 4 B) 2 C) 6 D) 5

10. Agar arifmetik progresiyada bo’lsa, dastlabki 10 ta had yig’indisini toping.

A) 325 B) 425 C) 625 D) 525

11. Gipotenuzasi 10 sm bo’lgan to’g’ri burchakli teng yonli uchburchakning yuzasini toping.

A) 25 B) 35 C) 15 D) 45

12. vatar aylanani 2 : 3 nisbatda bo’lgan 2 ta yoyga ajratadi. vatar katta yoyning istalgan nuqtasidan qanday burchak ostida ko’rinadi?

A) B) C) D)

13. To’g’ri burchakli trapetsiyaning asoslari 9 sm va 18 sm, katta yon tomoni 15 sm. Trapetsiyaning yuzasini toping.

A) 142 B) 152 C) 162 D) 132

14. O’xshash uchburchaklarning perimetrlari 2:3. Ular yuzalarining yig’indisi . Har bir uchburchak yuzasini toping.

A) B)

C) D)

15. To’g’ri burchakli uchburchakning katetlari 12 sm va 5 sm, gipotenuzaga o’tkazilgan medianani toping.

A) 5,5 B) 6,5 C) 4,5 D) 7,5

16. Aylana radiusiga perpendikulyar va uning o’rtasidan o’tuvchi vatar o’tkazilgan. Agar aylana diametri 8 sm bo’lsa, vatar uzunligini toping.

A) B) 6 C) 8 D) 10

17. Radiusi 25 sm bo’lgan aylanada markazidan bir tomonda ikkita 40 sm va

30 sm li parallel vatarlar o’tkazilgan. Vatarlar orasidagi masofani toping.

A) 3 B) 4 C) 6 D) 5

18. Aylananing 72^o li markaziy burchagiga mos yoy uzunligi dm. Aylananing radiusi nimaga teng?

19. trapetsiyada va asoslari. . Trapetsiyaning yuzasi ga teng uchburchakning yuzasini toping.

20. funksiyaning aniqlanish sohasini toping.

21. Tenglamani yeching:

22. Tengsizlikni yeching:

23. Amallarni bajaring: .

24. lar tenglamaning ildizlari. ni hisoblang
25. Trapetsiyaning diagonallari nuqtada kesishadi. Asoslari . Agar bo’lsa, trapetsiyaning diagonallarini toping.