7-sinf uchun algeradan test savollari

7-sinflar uchun algeradan test savollari


1. Hisoblang: 137²+137·63;
A) 27400 B) 26400 C) 25600 D) 25800


2. Ko`paytuvchilarga ajrating: 9a²·b²-12a·b³;
A) 3ab²(3a-4b); B) 3(a²b²-4ab³); C) 9(a²b²-ab³); D) ab(9ab-12ab²)


3. Tenglamani yeching: 8-(x-3)·(x+3)=10·(x-1)²;
A) x=3 B) x=2 C) x=4 D) x=5


4. Hisoblang: 139·15+18·139+15·261+18·261;
A)8800 B)9600 C)9900 D)13200


5. Tenglamani yeching: x(x-4)+x-4=0;
A) x=4 ; x=-1 B)x=3; x=1 C)x=-4; x=1 D) x=-3;x= -1


6. Ifodani soddalashtiring: (x-y)²+(x+y)²;
A) 2x²+2y² B) 2·(x²+y²) C) x²· (2+2y²) D) y²· (2x²+2)


7. Tenglamani yeching: (y-2)²+(y+2)²=16;
A)y=6 B)y=5 C)y=2 D)y=4


8. Soddalashtiring: (c-3)²-(c+3)· (c-3);
A)6c B)- 6x C)-7x D)5x


9. To`g`ri burchak necha gradusga teng?
A) 60ْ B) 80ْ C) 90ْ d) 100ْ

10. Qo`shni burchaklarning yig`indisi qancha?

A) 180ْ B) 200ْ C) 360ْ D) 270ْ

11. Uchburchakning ichki burchaklari yi`g`indisi?

A) 160ْ B) 180ْ C) 270ْ D) 360ْ

12. Teng tomonli uchburchakning peremetri 27 m bo`lsa asosini uzunligini toping.

A) 3m B) 4m C) 5m D) 9m

13. Teng yonli uchburchakning asosi yon tomonidan 2m uzun, peremetri 32m gat eng bo`lsa asosini uzunligini toping.

A)14 B)12 C)13 D)15

14. Uchburchakning peremetri 16 sm gat eng. Ikki tomonining uzunligi 4sm va 5sm bo`lsa, uchburchakni 3 tmonini toping.

A) 3 B) 4 C) 5 D) 7
15. Teng yonli uchburchakning peremetri 24 sm, asosining uzunligi 6 sm bo`lsa, yon tomonining uzunligini toping.
A) 6 B) 7 C) 9 D) 8

16. Teng yonli uchburchakning asosi yon tomonidan 2 sm qisqa, uchburchakning peremetri 19 sm bo`lsa, asosini uzunligini toping.

A)7 B)6 C)8 D)9

17.Kastni qisqartiring: _{ }

A._{ } B. _{ } C. _{ }
18.Algebraik kasrning son qiymatini toping: _{ } bo’lsa, _{ }
A. _{ } B. _{ } C. _{ }
19.Kasrlarni umumiy maxrajga keltiring: _{ }
A. _{ } B. _{ } C. _{ }
20. Algebraik kasrlarni qo’shish amali qaysi javobda to’g’ri keltirilgan?
A._{ } B. _{ } C. _{ }

21. Algebralik ifodaning qiymatini toping 2a + 3 b = bunda a = 3 b = -2

A. 0 B. –2 D. 3 E. –4

22. Ikkita parallel to’g’ri chiziqni qanday belgilaymiz?

A. _{ } B. a || b C._{ }

23. Umumiy ko’paytuvchini qavsdan chiqarish amali qaysi javobda to’g’ri ko’rsatilgan?

3 a – 3 x.
A. (3 a – 3 x) B. 3 ax C. 3 (a – x).

24. Ko’phadlar deb nimaga aytiladi?

A. Bir necha birhadning algebraik yig’indisi ko’phad deyiladi.
B. Bir necha birhadlar ko’paytmasi ko’phad deyiladi.
C. Bir necha ko’phadlarning algebraik yig’indisi ko’phad deyiladi.

25. 2a³ + 3ab bunda a = 1, b = 2 ko’phadni son qiymati qaysi jaobda to’g’ri ko’rsatilgan ?

A. 6. B. 8. C. 10