7 – sinf Test sinovi I variant

7 – sinf Test sinovi I

1.m va n sonlar yig`indisining ikkilanganligini yoz.

a) 2(m+n) b)2(m-n) c) 2mn

2.a va b sonlar kvadratlari ayirmasini ko`rsating.

a) (a-b)² b)a²-b² c) (a-b)²

3.2a+5b²ifodaning qiymatini toping bunda a=2 b=3

a)49 b)-43 c)51
4)Ko`paytmani daraja shaklida yozing
a) b) c) 51
5. Ifodani soddalashtiring. p·p·p+q·q+c·c·c·c·c
a) p²+2q+4c b)p³+q²+c⁴ c) p²+q²+4c

6.c va 3 sonlarining yig`indisining kvadratini yozing.

a) (c+3)² b)c²+3² c) 2*(c²+3²)

7.Agar AB=15 sm BC=10 sm bo`lsa,AC ni toping

a)20 sm b)15 sm c)25 sm

8. 3⁸ni bir xil asosli va bir xil darajali ko`paytma shaklida yozing:

a) 3⁴*3⁴ b)3⁹*3⁵ c)3²*3⁶

9.Asosi 2 bo`lgan daraja shaklida yozing: 2*64*32

a)2¹⁰ b)2⁸ c)2¹²

10.Ifodaning qiymatini toping: a²*a³ bunda a=4

a)1024 b)256 c)1025

11.Asosi 3 bo`lgan daraja shaklida yozing: 9*27

a)3⁴ b)3⁵ c)3³

12.Bo`linmani daraja shaklida yozing: 7¹⁰:7⁵

a)7¹⁵ b)7⁵ c)7⁵⁰

13.Ko`paytmani darajaga ko`taring: (6*8)⁵

a) 6⁵*8⁵ b)6⁵*8 c)6*8⁵

14. , , li burchaklarga qo`shni bo`lgan burchaklarni toping

a) b) c)
15.Kasrni darajaga ko`taring:
a) b) c)
16.Kasrni daraja shaklida yozing:
a) b) c)

17.Qavslarni oching: (-5)+(-10)-(-15)

a)-5+10-15 b)-5+10+15 c)-5-10+15

18.Soddalashtiring: b+(2a-3b)-4a-6b

a)-2a-8b b)6a-10b c)-2a-6b

19.Tenglamani yeching: 3x+2+2x=17

20.Qavsni ochib soddalshtiring va qiymatini toping: 5a-(a+2b)-3 a=0 b=4

21. Eng sodda geometrik shakllar qaysilar?

22. Yoyiq burchakning gradus o`lchovi nechaga teng?

23. Bissektrisa nima?

24.Bittadan tomoni umumiy,qolgan tomonlari bir-birini to`ldiruvchi bo`lgan burchaklar qanday

burchaklar deyiladi

25.Soat 18 minut va soat millari necha gradusni tashkil qiladi?