1. Soddalashtiring

1.Soddalashtiring:

A)a B)a⁶ C)a⁹ D)a¹³

2.Tenglamani yeching: (2x-3)² -4x ·(x+5) = -23

A)2 B)1 C)3 D)5

3.Kasrni qisqartiring:

A)x-y B)-(x-y) C)x+y D)-(x+y)

4.Hisoblang:

A)5 B)1 C)2 D)6

5.O’zaro tub sonlarni toping.

A)(4;8) B)(3;5) C)(6;18) D)(5;15)

6.200ning 30% ni 300 ning 40%ga nisbatini toping.

A)0,5 B)0,3 C)0,4 D)0,6

7.Proporsiyaning noma’lum hadini toping:

x:1,5 = 100:6

A)15 B)25 C)10 D)5

8.Birhadni standart shaklida yozing:



A)-

9.Ko’paytuvchilarga ajrating: (x-1)² -4

A)(x+1) ·(x-3) B)(x-1) (x-3) C)(x-1) (x+3) D)(x+3) (x+1)

10.Hisoblang: (-15+40+20-25) : (-20)

A)-1 B)2 C)1 D)-5.

11.Bo’lishni bajaring va soddalashtiring:

(6y⁴ -5y³) : (2y³) + (12y²+8y) : 3y

A)6y+

12.Soddalashtiring: (a-b)² – (a+b)²

A)-4ab B)2a² C)2b² D)2a²-b²

13.Ko’phadni standart shaklida yozing:

4a ·a ·

A)2a⁵ B)4a⁹ C)a⁹ D)a⁵+a⁴

14.Kasrni qisqartiring:

A)3(x+1) B)3(x-1) C)3 D)x+1
15.Hisoblang:

A)0,28 B)28 C)14 D)1,4

16.Qo’shni burchakning kattaligi 2:7 nisbatda bo’lsa, shu burchaklardan kichigini toping.

A)40⁰ B)60⁰ C)10⁰ D)70⁰

17. Buyumning narxi 5000 so’m edi. Keyinchalik u 40%ga arzonlashdi. Endi buyumni narxini aniqlang.

A)3000so’m B)2000so’m C)4000so’m D)1500so’m

18.To’g’rito’rtburchakning yuzi 240sm² ga teng. Bo’yi 40 sm bo’lsa, to’rtburchak enini toping.

A)6sm B)4sm C)20sm D)60sm.

19.Hisoblang: 4·(3-(a-b)²); bu yerda a=5; b=1 bo’lsa.

20.Ko’paytiring: (5a) ·(a²·b²) ·(-2b) ·(-3a)

21.Daraja shaklida yozing. 27 ·3ⁿ⁺¹

22.Tenglamani yeching. (x-5)² –x² = - 15

23.To’g’rito’rtburchakda ikkita diagonali o’tkazilishidan nechta uchburchak hosil bo’ladi?

24.Kvadratning perimetri, tomonlari 6 va 8 sm li to’g’rito’rtburchak perimetriga teng. Shu kvadrat yuzini toping.

25.Qo’shni burchaklardan biri ikkinchisidan 70⁰ ortiq. Shu burchaklarni toping.

1.Soddalashtiring: (6a-2b) –(2b+6a)

A)-4b B)12a-4b C)12a D)4b-4a

2.2·(3+ = 8 –x tenglamani yeching:

A)2 B)1 C)3 D)8

3.y = 2x-5 funksiya grafigiga qaysi nuqta tegishli?

A)(2;1) B)(3;1) C)(0;5) D)(1;3)

4.Agar B (2;6) nuqta y=kx+8 funksiya grafigiga tegishli bo’lsa, k-ni toping.

A)2 B)-1 C)6

5.Qo’shni burchakning kattaligi 2:7 nisbatda bo’lsa, shu burchaklardan kichigini toping.

A)400 B)600 C)100 D)700

6.Agar x va y 3x+2y =8 sistema

x+2y =4 yechimi bo’lsa, x ·y ni toping.

A)4 B)2 C)3 D)6

7. |4x+2| ≤6 tengsizlikning nechta butun yechimi bor?

A)3 B)4 C)2 D)6.

8.x₁, x₂; x²-3x -4 =0 tenglamaning ildizlari bo’lsa, x₁·x₂+(x₁+x₂)ni toping.

A)-1 B)7 C)1 D)3.

9.x²-7x+12 =0 tenglamaning ildizlar ko’paytmasini toping.

A)7 B)12 C)6 D)0.

10.Hisoblang.

A)2 B)1 C)4 D)16.

11.Tengsizlikning eng katta butun yechimini toping.

6(x-3) < 2 ·(x+1)

A)4 B)5 C)6 D)2.

12.Tengsizliklar sistemasini yeching.

2x+5≤0

9x-18≥0

A)yechimi yo’q B)x ≤ - 2,5 C)x ≥ 2 D) x≤-25; x ≥2.

13.x²+3x =0 tenglamani yeching:

A)3 va 0 B)3 C)0 D)0 va -3.

14.Hisoblang: ( 3

A)35 B)25 C) D)

15.

A)450 B)350 C)150 D)300

16.Uchburchak burchaklarning nisbati 1;2;3 kabi katta burchakni toping.

A)90⁰ B)80⁰ C)110⁰ D)100⁰

17.Ko’phadni standart shaklida yozing:

4a ·a · 14a3+2a∙a212a

A)2a5 B)4a9 C)a9 D)a5+a4

18.Parallelogrammning ikkita burchaklar yig’indisi 100⁰ ga teng. Parallelogrammning katta burchagini toping.

A)150⁰ B)130⁰ C)120⁰ D)110⁰

19.Yuzta to’rtning ko’paytmasi qanday son bilan tugaydi?

20.tengsizlikni yeching: 6x +4 > 6x -5

21. |x-y| - | y –x| ni soddalashtiring. Agar x > y > 0 bo’lsa.

22.x² -4x -5 uchhadni ko’paytuvchilarga ajrating.

23.To’g’riburchakli uchburchakning katetlari 6 va 8 sm ga teng. Gipotenuzaga tushurilgan balandlikni toping.

24.Qo’shni burchaklardan biri ikkinchisidan 700 ortiq. Shu burchaklarni toping.

25.Kvadratning perimetri, tomonlari 6 va 8 sm li to’g’rito’rtburchak perimetriga teng. Shu kvadrat yuzini toping.