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
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-2²+(x+y)²=5; A)y=6 B)y=5 C)y=3 D)y=4
8. Soddalashtiring: (c-3)²-(c+3)· (c-3); A)-6x B) 6x C)-7x D)5x
9. Tenglamani yeching: (3x+1)²-(3x-2)(3x+2)=41:
A) x=2 B) x=3 C) x=4 D) x= -2
10. Tenglamani yeching: (x+2)(x²-2x+4)-x(x-3)(x+3)=26;

A) x=4 B) x= -6 C) x= -2 D) x=2

7-sinflar uchun geometriyadan test savollari
1. To`g`ri burchak necha gradusga teng?
A) 60ْ B) 80ْ C) 90ْ d) 100ْ

2. Qo`shni burchaklarning yig`indisi qancha?

A) 180ْ B) 200ْ C) 360ْ D) 270ْ
3. Uchburchakning ichki burchaklari yi`g`indisi?
A) 160ْ B) 180ْ C) 270ْ D) 360ْ
4. Teng tomonli uchburchakning peremetri 27 m bo`lsa asosini uzunligini toping.
A) 3m B) 4m C) 5m D) 6m
5. 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
6. 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

7. Teng yonli uchburchakning peremetri 24 sm, asosining uzunligi 6 sm bo`lsa, yon tomonining uzunligini toping.

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

8. 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

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