9-sinflar uchun algebra va geometriya fanlaridan test savollari

9-sinflar uchun algebra va geometriya fanlaridan test savollari
I chorak

1. 
   Tengsizlikni yeching: 3x²-9≥0
   

A) B) C) D)
2. Tengsizlikni yeching:
A) x<0 B) x>0 C) D) x<2
3. tengsizlikning barcha butun yechimlari yig’indisini toping
A) -3 B) 6 C) 5 D) 4
4. p ning nechta butun qiymatida x²+px+9=0 tenglama haqiqiy ildizga ega emas?
A) 10 B) 8 C) 13 D) 11
5. x²+6x+5<0 tengsizlikning barcha butun yechimlari yig’indisini toping
A) 10 B) 9 C) – 9 D) – 10
6. Tengsizlikning barcha yechimlarini topish yoki ularning yo’qligini ko’ratish nima deb ataladi?
A) tengsizlikni yechish B) tengsizlikning yechimi
C) noma’lum D) tengsizlik
7. Ikkita gomotetik ko’pburchak uchun to’g’ri tasdiqni toping
A) ular teng B) ular o’xshash C) ular tengdosh
D) bunday ko’pburchak mavjud emas
8. Koeffitsiyenti bo’lgan gomotetiyada F ko’pburchak perimetri 12 sm va yuzi 4,5 sm² bo’lgan F₁ ko’pburchakka almashadi. F ko’pburchakning perimetri va yuzini toping.
A) 12 va 4,5 B) 4 va 0,5 C) 12 va 0,5 D) 36 va 40,5
9. Xaritada Toshkent va Urganch shaharlari orasidagi masofa 1:100000 bo’lsa, Toshkent va Urganch shaharlari orasidagi masofani toping
A) 687 km B) 867 m C) 867 sm D) 86,7 m
10. Agar bo’yi 1,7 sm bo’lgan odam soyasining uzunligi 2,5 m bo’lsa, soyasining uzunligi 10,2 sm bo’lgan daraxt soyasining balandligi qancha bo’ladi?
A) 1,7 m B) 2,5 m C) 10,2 sm D) 6,936 m
11. y=x²-2x+4 parabolaning koordinata o’qlari bilan kesishish nuqtasining koordinatalarini toping.
A) (-1; 3) B) (3; 1) C) (1; 3) D) (0;4)
12. y=3x²+5x-2 parabola qaysi choraklarda joylashgan?
A) I, II, III B) II, III, IV C) I, III, IV D) I, II, III, IV
13. Tenglamani yeching:
A) B) C) D)
14. Tenglamalar sistemasini yeching:
A) B) C) D)
15. Hisoblang:
A) B) C) D)
16. Ikki sonning o’rta arifmetigi 20 ga, ularning o’rta geometrigi esa 12 ga teng. Shu sonlarni toping.
A) 30 va 10 B) 20 va 20 C) 36 va 4 D) 12 va 20
17. Tengsizlikni yeching:
A) (-∞; 0) B) (-∞; 0] C) (0; ∞) D) [0; ∞)
18. To’g’risini toping: Agar ikkita uchburchak o’xshash bo’lsa, ularning …
A) burchaklari proporsional bo’ladi B) tomonlari proporsional bo’ladi
C) tomonlari teng bo’ladi D) yuzlari teng bo’ladi
19. Bo’yi 170 sm bo’gan odam soyasining uzunligi 1m bo’lsa, balandligi 5,4m bo’lgan simyog’och soyasining uzunligini toping
A) B) C) D)
20. Ikkita o’xshash uchburchak yuzlari nisbati nimaga teng?
A) o’xshashlik kooffitsiyentiga B) o’xshashlik kosffitsiyentining kvadratiga teng C) o’xshashlik koeffitsiyentining kubiga teng
D) o’xshashlik koeffitsiyentidan kvadrat ildiz chiqarilganiga teng
21.Tengsizlikni yeching:
A) (-;-1)U(0;1) B) (0;1) C) (-1;1) D) 
22. Tengsizlikni yeching:
A) (-;0)U(4; ) B) (-;-4)U(0;4) C) [-4;4] D) 
23. Funksiyaning aniqlanish sohasiga tegishli eng kichik natural sonni va funksiyaning shu nuqtadagi qiymatini toping:
A) y(2)= B) y(1)=1 C) y(4)=4 D) y(3)=
24. Tengsizlikni yeching: (x-1)(x+2)>0
A) (-;1)U(2; ) B) (0; ) C) (-;-2)U(1;) D) (-;+)
25. Tengsizlikning manfiy butun yechimlari yig’indisini toping:
A) -9 B) -12 C) -5 D) -6

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