9-sinflar uchun algebra va geometriya fanlaridan test savollari Sentabr Oktyabr oyi uchun

9-sinflar uchun algebra va geometriya fanlaridan test savollari
Sentabr Oktyabr oyi uchun

1. 
   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)
2. 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
3. Tenglamani yeching: A) B) C) D)
4. 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
5. 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)
6. 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
7.Tengsizlikni yeching: 3x²-9≥0
A) B) C) D)
8. Tengsizlikni yeching: A) x<0 B) x>0 C) D) x<2
9. tengsizlikning barcha butun yechimlari yig’indisini toping
A) -3 B) 6 C) 5 D) 4
10. p ning nechta butun qiymatida x²+px+9=0 tenglama haqiqiy ildizga ega emas?
A) 10 B) 8 C) 13 D) 11
11. x²+6x+5<0 tengsizlikning barcha butun yechimlari yig’indisini toping
A) 10 B) 9 C) -9 D) -10
12. Tengsizlikning barcha yechimlarini topish yoki ularning yo’qligini ko’ratish nima deb ataladi?
A) tengsizlikni yechish B) tengsizlikning yechimi
C) noma’lum D) tengsizlik
13. Funksiyaning aniqlanish sohasini toping
А) B) C) D) E) [-3;3]
14.Quyidagi funksiyaning aniqlanish sohasini toping.
Y=
A) B) (-oo;-7)U C) (-oo;-2)U(7;oo) D) (-oo;2)U(7;oo)
15.Quyidagi funksiyaning o`sish oralig`ini toping.
Y= (x-2)² A) (2;oo) B) (-oo;2) C) D) (-oo;-2)
16. y=x²+2 funksiyaning kamayish oralig`ini toping.
A) (0; oo) B) (-oo ; 2 ) C) ( -oo; 0 ] D) ( -oo; oo)
17.Quyidagi funksiyalar ichidan juft funksiyalarni toping.
1) y= 8x⁷ 2) y= x²+7 3) y= x⁴-9
A) 1 va 2 B) 2 va 3 C) 1 va 3 D) xammasi juft funksiya
18.Quyidagi funksiyalar ichidan toq funksiyalarni toping.
1) y= 3x⁴ 2) y= x³+7 3) y= x⁵-10
A) 1 va 2 B) 2 va 3 C) 1 va 3 D) xammasi juft funksiya
19.y = funksiyaning x= -0,5 nuqtadagi qiymatini toping.
A) 8 B) 2 C) –2 D) -8
20.Tengsizlikni yeching : A) [2;3] B) (-2;1) C) ( -2; 3] D) ( 1;3)