y=3x chiziqli funksiyada y=12 bo’lsa, X argumentning qiymatini toping. A 3/12 b 36 c d 15 2

6. Tengsizlikni yeching : 5(x-3) + 2x<4x+3.

A) x<6 B) x<-6 C) x>6 D) x>-6

7. Tengsizlikni yeching: |4x-5 | ≤3

A) x≥-2 B) 1/2≤x≤1

C) 1/2≤x≤2 D) -2≤x≤-1/2

8. Qo’sh tengsizlikni yeching: -2<10+x< 6

A) -12

C) 4
9. Sonni yuzdan birgacha yaxlitlang . Yaxlitlashning nisbiy xatoligini toping:5, 7635

A) 5,76;0,8% B) 5,76;0,9%

C) 5,77;0,08% D) 5,76;0,06%

10. Sonni standart shaklda yozing: 0, 00000056

A) 5,6*10⁷ B) 56*10⁸

C)5,6*10^-7 D) 56*10^-8

11. Orasida soni yotga ikkita ketma-ket butun sonni toping.

A) 3;4 B) 4;5

C) 5;6 D) 6;7

12. Hisoblang :

A) 11 B) 121 C) |-121 | D) -11

13. Tenglamani yeching: 2x²-16=0

A) x= 8 B) x_1,2=

C) x_1,2= D)x= -

14. Kvadrat tenglamani yeching: x²+x-6=0

A) x₁=-3, x₂=2 B) x₁=3, x₂=-2

C) x₁=6, x₂=-6 D) x₁=-2, x₂=-3

15. Ildizlari x₁=3 , x₂=-1 bo’lgan keltirilgan kvadrat tenglamani ko’rsating

A) x²-2x -3=0 B) x²+2x -3=0

C) x²-2x +3=0 D) x²+2x +3=0

16. Quyidagi tengsizlik o‘rinli bo‘ladigan n ning nechta natural qiymati mavjud?

A) B)

C) D)

17. n soning quyidagi tengsizlikni qanoatlantiruvchi eng katta butun qiymatini toping.

A) B)

C) D)

18. Ikkita parallel to‘g‘ri chiziq berilgan bo‘lib, ularning birida ta, ikkinchisida ta nuqta belgilangan. Uchlari shu nuqtalarda bo‘lgan nechta uchburchak bor?

A) B)

C) D)