1. Kasrlarni ayiring: a b c d


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1. Kasrlarni ayiring:
A) B) C) D)
2. To`g`ri burchakli uchburchakning gipotenuzasi 8ga teng, katetlaridan biri 4, ikkinchi katetning gipotenuzadagi proyeksiya uzunligini toping.
A) 12 B) 4 C) 8 D) 6
3. x2 + 8x+15 ≤ 0 tengsizlikning butun yechimlari yig`indisini toping.
A) -12 B) 12 C) 23 D) -4
4. Tenglamalar sistemasini yeching:
A) x = 3, y = 1 B) x = 1, y = -3 C) x = 3, y = -1 D) x = -1 , y = 3
5. Aylana uzunligi . Kattaligi radian o’lchovda bo’lgan markaziy burchak tiralgan yoy uzunligini toping.
А) В) C) 3 D)
6. Tengsizlikning barcha butun yechimlarining o’rta arifmetigini toping: |x-2|<3
A)3 B) C)2,5 D)2
7. Kasrni qisqartiring:
A) B) C) D)
8.Vertikal burchaklarning yig`indisi 700 ga teng. Bu burchaklarni toping.
A) 350 va 350 B) 150 va 550 C) 300 va 400 D) 550 va 550

9. Soatning soat mili 3 soatda necha gradusga buriladi ?


A) 900 B) 600 C) 450 D) 300
10. kasrlar ichidan eng kattasini toping.
A) B) C) D)
11. Toping: EKUB (54, 36).
A) 12 B) 18 C) 24 D) 108
12. AB va CD vatarlar E nuqtada kesishadi. Agar AE = 16, BE = 9, CE = ED bo`lsa, ED ni toping.
A) 10 B) 8 C) 14 D) 12
13. Hisoblang: 4,028 : 0,19 + 2,4 · 1,5.
A) 34,8 B) 24,8 C) 21,2 D) 36,1 E) 24,08.
14. ni hisoblang.
A) B) C) 1 D) E) 0
15. Kamayuvchi 36 taga ortib, ayriluvchi 16 taga ortsa, ayirma qanday o`zgaradi ?
A) 52 taga ortadi B) 20 taga ortadi C) o`zgarmaydi
D) 20 taga kamayadi E) 52 taga kamayadi.
16. Perimetri 24 sm bo`lgan uchburchakning balandligi uni perimetri 14 va 18 bo`lgan ikki uchburchakka ajratadi. Berilgan uchburchakning balandligini toping.
17. Uzunligi 30 sm bo`lgan aylananing 15 0 li yoyining uzunligi necha santimetrga teng ?
A) 2 sm B) 1,25 sm C) 1,5 sm D) 3 sm E) 2,25 sm
18.O`xshash hadlarni ixchamlang: 3,4 a – b - 1- 1,4a + 3b.
A) 4,8 a +4b -1 B) 2a -4b -1 C) 2a +2b -1 D) 4,8a + 2b - 1
19. Tenglamani yeching: (3x – 4) – (6 – 2x) = 3.
A) 1,2 B) 2,6 C) 3,8 D) 13
20. Otasi 38 yoshda, o`g`li esa 12 yoshda. Necha yildan keyin otasi o`g`lidan ikki marta katta bo`ladi ?
A) 6 B) 9 C) 11 D) 14
21. Agar qo`shni burchaklar gradus o`lchovlari nisbati 4:5 bo`lsa, ularni toping.
A) 400; 1400 B) 600; 750 C) 800; 1000 D) 700; 1100
22. Tenglamalar sistemasini yeching:
A) x = 3, y = 1 B) x = 3, y = -3 C) x = 5, y = -1 D) x = -1 , y = 5
23. Kvadrat funksiyaning nollarini toping: y = x2 - 5x + 6
A) x1=1, x2=6 B) x1= -1, x2= - 6 C) x1=2, x2=3 D) x1= -2, x2= -3
24. Kvadrat tengsizlikni yeching: x2 – 4x +6 > 0 .
A) (-∞;1) U (6; ∞) B) (2; 3) C) (-4; 6) D) yechimlari yo`q
25. p ning nechta butun qiymatida x2 + px +4 = 0 tenglama haqiqiy ildizga ega emas ?
A) 7 B) 4 C) 16 D) 9
26. Amallarni bajaring:
A) B) C) D)
27. 6 sm li vatar aylanadan 900 li yoy ajratadi. Aylana markazidan vatargacha bo`lgan masofani toping.
A) 3 sm B) 4 sm C) 6 sm D) 8 sm
28. Teng yonli uchburchakning asosi 48 sm, yon tomoni 26 sm ga teng. Bu uchburchakka ichki chizilgan aylana radiusini toping.
A) 4,8 sm B) 10 sm C) 14 sm D) 9,6 sm
29. AB va BC – markazi O nuqtada bo`lgan aylananing vatarlari, . Agar aylana radiusi 12 sm ga teng bo`lsa, AC vatarning uzunligini toping.
A) 6 sm B) 24 sm C) 9 sm D) 12 sm
30. Hisoblang
A) 3 B) C) D) 2
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