A 19,5 km b 60 km c 130 km d 200 km e 70 km

2-variant
1. Haydovchi yo`lning 0,65 qismini o`tgach hisoblab ko`rsa, yo`lning yarmidan 30 km o`tibdi. Avtomobil yana necha kilometr yo`l yursa, manzilga yetadi ?
A) 19,5 km B) 60 km C) 130 km D) 200 km E) 70 km
2. Uchta sonning o`rta arifmetigi 12,5 ga teng. Bu 3 ta son qatoriga yana bir son qo`shib, o`rta arifmetik qiymat hisoblangan edi, u 13,2 ga teng chiqdi. Qo`shilgan son nechaga teng ?
A) 15,3 B) 14,6 C) 13,3 D) 12,85 E) 37,5.

3. Teng tomonli uchburchakning perimetri 43,4 sm ga, yon tomoni uzunligi esa 15,5 sm ga teng. Shu uchburchak asosining uzunligini toping.

A) 40,1 sm B) 12,4 sm C) 13,4 sm D) 13,3 sm E) 27,9 sm.

4. 360 ning 12 % iga 10 % i 14 bo`lgan sonni qo`shing.

A) 57,2 B) 572 C) 183,2 D) 18,32 E) 193,2
5. 4 : ( 2x + 5 ) = 2 : ( 3x – 2 ) tenglamaning ildizi x₀ bo`lsa, 4x₀ + 11 ifodaning son qiymarini toping.
A) -18 B) -20 C) 19 D) 20 E) 21

6. Ko`paytuvchilarga ajrating: ( a² + 25 )² – 100a²

A) (a-5)³(a+5) B) (a-5)(a+5)³ C) (a+5)⁴ – (10a)² D) (a-5)²(a+5) D) (a-5)²(a+5)²
7. Toping: EKUK (27,36).
A) 108 B) 162 C) 84 D) 72
8.Algebraik ifodaning son qiymatini hisoblang: , bunda b = -2, c = , d = 0.
A) -5 B) -3 C) D)
9. Teng yonli uchburchakning asosining uzunligi a ga teng bo`lib, u yon tomonlaridan 5 ga ortiq. Shu uchburchakning perimetrini hisoblash uchun ifoda tuzing.
A) 3a + 10 B) 3a C) 3a +5 D) 3a -10
10. Agar x₁,x₂ tenglamaning ildizlari bo’lsa, ifodaning qiymatini toping.
A) B)-3 C) D)
11. Agar qo`shni burchaklar gradus o`lchovlari nisbati 4:5 bo`lsa, ularni toping.
A) 40<sup>0</sup>; 140<sup>0</sup> B) 60<sup>0</sup>; 75<sup>0</sup> C) 80<sup>0</sup>; 100<sup>0</sup> D) 70<sup>0</sup>; 110<sup>0</sup>
12.Ikki to`g`ri chiziqning kesishishidan hosil bo`lgan burchaklardan uchtasining yig`indisi 250⁰ ga teng. Burchaklardan kichigini toping.
A) 40⁰ B) 35⁰ C) 70⁰ D) 50⁰
13. Burchak bissektrisasi uning tomoni bilan 41⁰ li burchak hosil qiladi. Berilgan burchakni toping.
A) 59⁰ B) 139⁰ C) 49⁰ D) 82⁰
14. Tenglamalar sistemasi berilgan: . x = 3, y = -2 sonlari juftligi uning yechimi ekanligi ma’lum, a va b ni toping.
A) a = 3, b = -2 B) a = -1, b = 5 C) a = 2, b = 6 D) a = 1, b = -5
15. Ikki sonning yig`indisi 37 ga teng, ularning ayirmasi esa 15 ga teng. Shu sonlarni toping.
A) 31 va 6 B) 21 va 16 C) 26 va 11 D) 24 va 9
16. Tenglamalar sistemasini yeching:
A) x = 2, y = 1 B) x = 2, y = -3 C) x = 2, y = -2 D) x = -2 , y = 2
17. (x; y) sonlar juftligi sistemaning yechimi bo`lsa, y-x ni toping.
A) 0 B) 2 C) -2 D) -1
18. Uchburchak tomonlarining nisbatlari 6 : 8 : 10 kabi, perimetri 240 sm. Uchlari berilgan uchburchak tomonlarining o`rtalarida bo`lgan uchburchakning perimetrini toping.
A) 128 sm B) 164 sm C) 120 sm D) 96 sm
19. Quyidagi funksiyalardan qaysi biri kvadrat funksiya bo`ladi ?
A) y = 3x² + x³ – 8 B) y = 5x⁴ + 6x C) y = 2010x² + 41x + 9 D) y = 2x-3
20. Kvadrat tengsizlikni yeching: 3x² – 5x -2 > 0.
A) (-∞; ) U ( 2; ∞) B) (-∞; - ) U ( 2; ∞) C) (- ; 2) D) ( ; 2)
21. 4x² + 4x +1 ≤0 tengsizlikni yeching.
A) (- ∞; ∞) B) (-∞; - )U(- ;∞) C) x = - D) (-∞; -1)U(4;∞)
22. 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
23. tengsizlikning butun yechimlari yig`indisini toping.
A) 3765 B) 3675 C) 49 D) 99
24. 2 – x – x ² ≥ 0 tengsizlikning eng katta butun yechimini toping. A) 1 B) 2 C) -1 D) -2
25. ABC uchburchakda C burchak 135⁰ , AC=6 dm, BD balandlik 2 dm ga teng. ABD uchburchakning yuzini toping. A) 16 B) 8 C) 12 D) 24
26. Kasrni qisqartiring:
A) –a(b+1) B) C) D)
27. Uchburchakning tomonlari 30 sm, 25 sm va 11 sm ga teng. Shu uchburchakning katta balandligini toping.
A) 24 sm B) 8,8 sm C) 10,56 D) 33
28. 70⁰ li markaziy burchak tashkil etgan ikki radisuning uchlariga o`tkazilgan urinmalar orasidagi burchakni toping.
A) 70⁰ B) 110⁰ C) 35⁰ D) 55⁰
29.Teng yonli uchburchakning yon tomoni 30 dm, asosiga tushirilgan balandlik esa 24 dm ga teng. Shu uchburchakka tashqi chizilgan aylananing radiusini toping.
A) 5,25 dm B) 18,75 dm C) 8 dm D) 12,4 dm
30. Ifodaning oxirgi raqamini toping:
A)9 B)2 C)8 D)0