Matematika. 10-sinf. I-variant Tenglamaning ildizini toping. =

Matematika. 10-sinf. I-variant

1. Tenglamaning ildizini toping. = ;

A)-2/3; B)3/2; С)2/3; D)-3/2;

2.

A)1 B)0 C)-1 D)Ø

3. (81 – x²) = 0 tenglamaning ildizlari yig`indisini toping.

A)13 B)-5 C)4 D)0

4. k ning qanday qiymatida5x²-12x + 5k = 0 tenglamaning x, va x₂ildizlari orasida

5x₁+ 8x₂ =21 munosabat o’rinli bo’ladi?

A)-12/5 B)12/5 C)9/5 D-9/5

5. - =0;tenglamaning ildizlari ko`paytmasini toping:

A)7;B)-7 ;C) ; D)

6. tengsizlikning barcha butun yechimlari yig’indisini toping

A)-78 B)-64 C)-51 D)-73

7. ++5x-7=0 tenglamaning ildizi yotgan oraliqni toping;

A)(0;1); B) (-1;1) ;C) (-1;0); D) (1;2);

8. x<0< y-a va a0 bo’lsa, quyidagilardan qaysi biri barcha xaqiqiy sonlar uchun to’g’ri?

A) ax B) a-y>0C) ax>ay D) x-y<0

9.

10. soni sonidan necha marta katta?

A)6 B)3 C) D)



12. R ( 2 x+ 3) = x³ - ax²+ 3x+1 ko'pxadni berilgan. R(x) ning koeffitsyentlari yig’indisi

8 bo’lsa, a qancha?

1. 
   -11 B)-9 C)-7 D)-5 25.
   

13.Evklidning “Negizlar” asarida nechta ta’rif va aksiomalar bor;

A)23;5 B)5;9 C)23;9 D)23;23

14.Uchburchakning tomonlari 7, 5, 6m. 5m li tomonning 7 m li tomondagi proeksiyasi qanday.

A) B) C) D)

15.To`g`ri burchakli trapetsiyaning asaslari 6va4 ga teng.Unga ichki chizilgan aylananing uzunligini toping.

A)2π B)2,4 π C)3 π D)4,8 π

16. Rasmda berilgan jismning to`la sirtini toping.

A)4,3π;B) 4,3π+4,3);C) 4,3π+4,3);D) 111,8π;

17.Asasi kvadrat bo`lgan to`g`ri burchakli parallelepipdning yon sirti 12sm<sup>2</sup>ga teng.Asasining diagonali bo`lsa, yon yog`ining diagonalini toping.

A)10 B) C) D)

18.Bitta to`g`ri chiziqdan nechta tekislik o`tkazish mumkin.

19. Xar birining diametri 25 ga teng bulgan uchta quvur suv utkazish qobiliyatiga ega shu uchtakuvurnikigatengbulganbittaquvurbilanalmashtirildi. Kattaquvurningdiametrini toping.

A)50B) 100 C)85 D)75

20.4^x-2=100 bo’lsa, xqanday oralig’da bo’ladi?

A) 5 B) 4C)2,5

21.Muntazam uchburchakli piramidaning balandligi 4ga, asosining balandligi esa 4,5 ga teng.Piramidaning yon qirrasini toping. A)5 B)5,3 C)5,5 D)6

22.Sferaning radiusi 60% uzaytirilsa, sfera sirtining yuzi necha foiz ortadi?

A)120 B)144 C)150 D)156

23.Teorema to`g`ri ko`rsatilgan qatorni toping.

A)Muntazam piramidaning yon sirti uning asosining yarim perimetri va apofemasining ko`paytmasiga teng.

B)Muntazam piramidaning yon sirti uning asosining perimetri va apofemasining ko`paytmasiga teng.

C)Muntazam piramidaning yon sirti uning asosining yarim perimetri va balandligining ko`paytmasiga teng.

D)Muntazam piramidaning yon sirti uning asosining perimetri va apofemasining yarmining ko`paytmasiga teng.

24. A)(-∞;3)U(9;∞) B) [3;9) ;C) (3;9); D) (3;∞);

25.;-=? A)2 B)3 C)4 D)5
Savollar: Algebra 15 ta; Geometriya 10 ta:

JAMI: 25 ta;

TASDIQLAYMAN:

O`IBDO`: _______________ RO`ZIYEVA AZIZA

(imzo) (F.I.SH)