5-sinf i-variant

7-sinf
I-variant.
1.Hisoblang: 9,49 – (1,5 +0,99)
A)5 B)7 C)3 D)4
2.Soddalashtiring: 11·(5c+d) +3 ·(d+c)
A)58c+10d B)58c+14d C)55c+3d D)55c+4d
3.Ko’paytuvchilarga ajrating. 7a·(5a-3b) -10a+6b
A)(5a+3b) (7a-2) B)(5a-3b)(7a+2) C)(5a-3b)(7a-2) D)(5a+3b)(7a+2)
4.Ko’paytuvchilarga ajrating: a⁶-4b²
A)(a³-2b)(a³+2b) B)(a³-4b)(a³+4b)
C)(a⁶-2b)(a⁶+2b) D)(a³-2b)(2b-a³)
5.Tenglamani yeching: x·2⁶=2⁸
A)6 B)8 C)4 D)12
6.Daraja ko’rinishda yozing.
(-6)³ ·(-6)² : (-6)³
A)2³ B)(-6)³ C)6³ D)(-6)²
7.Teng yonli uchburchakning perimetri 25 sm ga teng. Agar uning yon tomoni asosidan 5 sm ortiq bo’lsa, uchburchak tomonlarini toping.
A)5;10;10 B)5;3;4 C)5;5;10 D)6;10;10
8.Hisoblang: (57²-47²): 104
A)10 B)4 C)14 D)27.
9.Uchburchakning iikita burchagi yig’indisi 135⁰ ga teng, uchinchi burchakni toping.
A)25⁰ B)45⁰ C)35⁰ D)55⁰
10.Hisoblang: 4,07-5,49 +8,93 -1,51
A)3 B)5 C)7 D)6
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. 0 ga teng. OD shu burchakning bissektrisasi bo’lsa, A)45⁰ B)35⁰ C)15⁰ D)30⁰
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.

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Javob

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7-sinf
II-variant
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. 0 ga teng. OD shu burchakning bissektrisasi bo’lsa, A)45⁰ B)35⁰ C)15⁰ D)30⁰
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.

Savol	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
Javob

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8-sinf
I-varinat.
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 D)1
5.y(x) = 2x +1 funksiya grafigi qaysi chorakdan o’tadi?
A)1;2;3 B)1;3;4 C)2;3;4 D)3;4.
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.Rombning diagonallari 8 va 6 sm ga teng bo’lsa, romb perimetrini toping.
A)40 B)20 C)30 D)10.
16.Uchburchak burchaklarning nisbati 1;2;3 kabi katta burchakni toping.
A)90⁰ B)80⁰ C)110⁰ D)100⁰
17.Trapetsiya asoslari 8 va 12 ga teng. Trapetsiya o’rta chizig’ini toping:
A)10 B)2 C)8 D)4.
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.Rombning bitta diagonali tomoni bilan 25⁰ li burchakni tashkil qiladi. Rombning katta burchagini toping.
25.Teng yonli trapetsiya asoslari 6 va 12 ga teng bo’lsa. Trapetsiya diagonallarining o’rtalarini tutashtiruvchi uzunligini toping.

Savol	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
Javob

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8-sinf.
II-variant.
1.Hisoblang: _{ }
A)8 B)16 C)4 D)2.
2.Ko’payuvchilarga ajrating.
ay+zy-2ap-2zp
A)(a+z)(y-2p) B)(a+y)(z-2p) C)(2p-y)(a+z) D) (a-z)(y+2p)
3.Hisoblang: _{ }
A)_{ }
4.Nuqtalardan qaysi y=2x-3 funksiya grafigiga tegishli?
A)(3;3) B)(3;-2) C)(2;4) D) (2;3)
5.Hisoblang: 2³+5_{ }
A)26 B)38 C)28 D)24.
6.Hisoblang: (_{ }
A)1 B)7 C)6 D)2.
7.Tenglamani yeching:
_{ }
A)yechimi yo’q B)x ≤7 C)x ≥7 D)7
8.x²+9x+15 =0 tenglamaning ildizlar yig’indisini toping.
A)-9 B)15 C)-15 D)9.
9 .(x+y)nu toping, agar 2x+y =8
2x –y =4 bo’lsa.
A)6 B)5 C)7 D)8
10.Tengsizlikni yeching. 3x+7 ≤ 4 ·(x -2)
A)x ≥15 B)x ≥-15 C)x ≤ 15 D) x ≤ -15.
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.Rombning diagonallari 8 va 6 sm ga teng bo’lsa, romb perimetrini toping.
A)40 B)20 C)30 D)10.
16.Uchburchak burchaklarning nisbati 1;2;3 kabi katta burchakni toping.
A)90⁰ B)80⁰ C)110⁰ D)100⁰
17.Trapetsiya asoslari 8 va 12 ga teng. Trapetsiya o’rta chizig’ini toping:
A)10 B)2 C)8 D)4.
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.Rombning bitta diagonali tomoni bilan 25⁰ li burchakni tashkil qiladi. Rombning katta burchagini toping.
25.Teng yonli trapetsiya asoslari 6 va 12 ga teng bo’lsa. Trapetsiya diagonallarining o’rtalarini tutashtiruvchi uzunligini toping.

Savol	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18
Javob

19___J:
20___J:

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