1. Tenglamani yeching. 3x+2x=17+(-27) a) 2 b)-2 c)3 d)4

a) a² b) a^n-1 c) a^5n-1 d) a⁵ⁿ
10.Birhadlarni ko`paytiring. (-a) (3b) (4a<sup>2</sup>b) (5ab<sup>2</sup>)
a) -60a<sup>3</sup> b<sup>4</sup> b) -60a<sup>4</sup> b<sup>4</sup> c) 30a<sup>4</sup> b<sup>3</sup> d) 60 ab
11.Birhadni darajaga k`otaring. (-3x³ y)²
a) 9x⁶ y² b) -9x⁵ y² c) 6x⁶ y² d)-6 x⁶ y²
12.Ko`phadni son qiymatini toping. x² +2xy+y² bunda x=1,2 y=-1,2

a) 1 b) 0 c) 4 d) 5

13.Ko`phadni standart shakliga keltiring. 0,3c<sup>2</sup> -0,1c<sup>2</sup>-0,5c<sup>2</sup>
a) 0,9c<sup>2</sup> b) 0,4c<sup>2</sup> c) -0,3c<sup>2</sup> d) 0,6c<sup>2</sup>
14.Ko`phadni standart shakliga keltiring. -9,387a-3,89b+8,197a -1,11b -0,81a
a) -2a-5b b) 2a+5b c) 3a-4b d) 4a -3b
15.Ko`phadlarning algebraik yig`indisini toping. 11ac +13bc +17b² –(10ac+10bc-3b²)
a) ac+23bc-14b² b)ac+3bc +20b² c) ac +20bc d) ac+3bc +10b ²
16.Ifodani soddalashtiring. -2 (3x-2y)-5 (2y-3x)
a) x-y b)-9x+6y c) 6x-3y d) 9x-6y
17.Algebraik ifodaning qiymatini toping: 7 (4a+3b)-6 (5a+7b) bunda a=2, b=-3
a) 62 b)61 c) 59 d) 60
18.Ko’phadlarni ko’paytiring; (m+6) (n-1)
a) mn+6 b) mn+6-1 c) mn-1+6 d) mn+6n-m-6
19.Bo’lishni bajaring; -6,4xy(-4x)
a) 1,6y b) 16x c) 16y d) -1,6y
20.Bo’lishni bajaring; (15z):(5z)
21.Ifodani daraja ko’rinishida tasvirlang; 5^3.5²
22. a sonining kubining yozing.
23. Odamning yuragi 1 minutda o`rtacha 75 marta ursa, uning yuragi 5 minutda necha marta uradi?
24. 13 sonining kvadrati qanday son bilan tugaydi?
25. Birhadlarni ko`paytiring; (4a²) (6a³)

^Savol

^1

^2

^3

^4

^5

^6

^7

^8

^9

^10

^11

^12

^13

^14

^15

^16

^17

^18

^19

^20

^21

^22

^23

^24

^25

^Javob

b

b

a

a

c

c

d

d

c

b

a

b

c

a

b

d

c

d

a

3

5^5

a^3

375

9

24a^5

7-sinf ALGEBRA

III-CHORAK

1.Umumiy ko`paytuvchini qavsdan tashqariga chiqaring. 15x⁵-5x³

a) 5(3x⁵-x³) b) 5x³(3x²-1) c) 5x⁵(3-1) d) 3(5x-5)
2.Hisoblang. 25^.734-25^.726
a) 200 b) 300 c) 400 d) 500

3.Tenglamani yeching. (2x+1)²-(2x-3)²=4(7x-5)

a) x=5 b) x=4 c) x=1 d) x=2

4.Hisoblang. 14,7^. 13-2^.14,7+13^.5,3-2^.5,3

a) 100 b) 200 c) 210 d) 220
5.Qisqa ko`paytirish formulasidan foydalanib amallarni bajaring. 51<sup>2</sup>
a) 2500 b) 2599 c) 2600 d) 2601
6.Qisqa ko`paytirish formulasidan foydalanib amallarni bajaring. 72²
a) 5120 b) 5176 c) 5184 d) 5200
7.Tenglamani yeching. (y-2)(y+3)-(y-2)²=5
a) y=3 b) y=2 c) y=0 d) y=1
8.Ko`paytirishni bajaring. (a-3)(a+3)
a) a<sup>2</sup>+9 b) a<sup>2</sup>-9 c) a+9 d) a-3
9.Qisqa ko`paytirish formulalaridan foydalaning hisoblang. 43^.37
a) 1591 b) 1500 c) 1590 d) 1600
10.Ko`paytuvchilarga ajrating. (a-3b)² –(3a+b)²
a) b) c) d) 4(2a-b) (-a-2b)
11. Ko`paytuvchilarga ajrating. 64-125y³
a) (4-5y)(16+20y+25y²) b) (4-5y)(16+5y²) c) (4+5²) (16-5y) d) 8²-5³ y³
12. Hisoblang. 37²+126^.37+63²
a) 1000 b) 10 000 c) 500 d) 800
13. Ifodani qiymatini toping. (2x-1)(4x²+2x+1)-4x(2x²-3) bunda x=0,5

a) 3 b) 6 c) 5 d) 7

14. Tenglamani yeching. (x-3)(x²+3x+9)-x(x+4)(x-4) =21
a) x=0 b) x=1 c) x=2 d) x=3
15.27²-14² soni 13 ga bo`linishini isbotlang.
a) 40 b) 41 c) 39 d) 38

16. Motorli qayiq oqim bo`yicha 18 km soat, oqimga qarshi tezligi esa 14 km soat. Daryo oqimini tezligi va qayiqning turg`un suvdagi tezligini toping.

a) 2 km soat, 16 km soat b) 3 km soat, 4 km soat

c) 6 km soat d) 8 km soat, 7 km soat

17. Hisoblang. 16,9²-16,9^.3,7-16,9^.3,2
a) 169 b) 1,69 c) 1,69 d) -1,69
18. Ifodani son qiymatini toping. a³-a²b-3a+3b bunda a=2,5; b=-1,5
a) 12 b) 13 c) 11 d) 10
19. Tenglamani yeching. (3x+2)²-(3x-4)²=132
a) 3 b) 4 c) 2 d) 1
20. Tenglamani yeching. 81x²-(4-9x)²=56

21. Hisoblang.

22. Sonlarni asosi 3 bo`lgan daraja shaklida yozing. 729;

23. Hisoblang. 2(-3)²

24. Hisoblang. (-5)^2.

25. Tenglamani yeching. 1,3x-3,5x=11^.(-0,5)