7-sinf, algebra-geometriya fanidan test savollari

7-sinf, algebra-geometriya fanidan test savollari.

1.Ko’phadni birhadga ko’paytiring: -5(10+m); A)-50-5m; B)-50+5m; C)50-5m; D)50+5m;

2. Ko’phadni birhadga ko’paytiring: [4a-_{ }x]*(-3);
A)-12ax-3_{ }; B) 12ax-3_{ }; C) 3_{ }+12ax; D)_{ }-12ax.
3.Ko’phadlarni ko’paytiring: (a-b)*(a+b)-(_{ }+_{ }). A)_{ }-_{ }; B)_{ }+_{ }; C)_{ }-_{ }; D)_{ }-_{ };
4.Hisoblang: _{ }: A)3.2; B)-3.2; C)0.00032; D)-0.00032;
5. a=2.4, b=3.6 h=1.6 bo’lsa , s=_{ } (a+b) ifodaning son qiymatini toping?
A) 48; B) 3.18 C) 4.8 D) 6.36
6. Ifodaning son qiymatini toping: (64.2*7.02+17.9*14.04):4_{ }
A) 169 B) 16.9 C) 159 D) 15.9
7. a va b sonlar ko’paytmasining ikkilanganligini yozing: A)2a-2b; B)2*(a*b); C)2*a*b; D)2a+2b;
8. Amal to’g’ri bajarilganmi? 6(3x+4)+2(x+1)=18x+24+2x+2=20x+26;
A)Ha; B)Yo’q;
9. Tenglik shaklida yozing: 34 soni x dan 18 ta ortiq
A) 34=x+18 B) 34=18+x C) 34+18=x D) x=34-18 E) x=18+34
10.Tenglamani yeching: 8(x+2)-6=7-(5-8x) A)-2; B)0.5; C)1.6; D)ildizga ega emas;
11. Tenglamani yeching: (1-3x):5=(2-x):2; A)8; B)-8; C)2; D)-1;
12. Ifodaning son qiymatini toping: S=2(ab+ac+bc) bunda:a=5, b=6.4 c=4.5,
A)50.45; B)83.3 C)166.6 D)109;
13.To’g’ri to’rtburchakning perimetri p ga, asosi a ga teng.Uning balandligini hisoblash uchun ifoda tuzing: A)0.5*(p-a); B)p-2a; C)p+2a; D)_{ }
14.Teng yonli uchburchakning ikki tomoni 8 va 3 ga teng.Uning uchinchi tomonini toping?
A)5; B)8 C)11 D)9/
15.Teng yonli uchburchakning perimetri 48, yon tomoni 18 ga teng.Uning asosini toping?
A)15; B)12; C)16; D)18.
16. Ta’rifsiz qabul qilingan geometrik tushunchalarni ko’rsating: 1)tekislik; 2)nuqta; 3)kesma; 4)to’g’ri chiziq
A)1;2 B)2;3 ; C)1;3;4; D)1;2;4;
17. Geometriya fani qaysi mamlakatda shakllangan?
A)Qadimgi misr; B)Bobil; D) Yunoniston; E) Xitoy.
18. 1 mil necha km? A)16.09 B)1.609 C)20.6 D)20.36 E)1
19.Agar uchburchakning ikkita tomoni teng bo’lsa, u..........bo’ladi.
20.O’z-o’zini kesmaydigan yopiq siniq chiziqdan iborat shakl...............deyiladi.
21.Teng tomonli uchburchak ...........uchburchak deyiladi.
22.Uchburchak tomonlarining yig’indisi qanday geometrik tushunchani bildiradi?
23.Uchburchakning bir uchi va shu uchining qarshisidagi tomon o’rtasini tutashtiruychi kesma nima deyiladi?
24. Teng yonli uchburchakning perimetri 36 ga ,tomonlaridan biri esa 16 ga teng.Uchburchakning qolgan ikki tomoninig uzunliklarini toping?
25. Yoyiq burchak necha gradus?