20: ( 160 1000: x) = 12 dan x ni toping. A) B) C) 35 D) 36 E) -8

1. 
   420: ( 160 – 1000: x) = 12 dan x ni toping.
   

A) 8 B) C) 35 D) 36 E) -8

Y

A
echish:

2. ni hisoblang.

A) 3 B) 1 C) D) 2 E)


D

3. Qaysi tenglik qoldiqli bo’lishni ifodalaydi .

C
1) 43=9*5 – 2; 2) 43=8*5 + 3; 3) 43=7*5 + 8; 4) 43= 21*2 +1;

A) 1; 2;4 B)2;3;4 C) 2; 4; D)3; 4 E) hammasi.

Yechish: 1) 43:9=5 ? 2)43:8=5 qold 3 ˅ 3)43:7=5 ? 4)43:21=2 qol 1 ˅

4. x raqamining qanday eng kichik qiymatida ( 147 + ) son 3 ga qoldiqsiz bo’linadi?

A) 5 B) 0 C) 4 D) 7 E)1

1

E
47+302=449 147+352=499 147+342=489 147+372=519 147+312=459

5. 243: (9 : 11) ni hisoblang.

A) 27 B) 2 C) D) 198 E) 297

Y

B
echish: 243:(9:11)=243:9:11=27:11=2

6. Davri 0 yoki 9 dan farqli bo’lgan cheksiz davriy o’nlik kasrlarni ko’rsating.

m
C
= , n = 247,123123, p = 0,63(8), q = , l = ;

1. 
   n ,p; B) m , p, l; C) m , n, p, q; D) m,q; E) hammasi
   

7. m = 0.55(57) ; n = 0.5(557); l=0.555(7); sonlarni kamayish tartibda yozing .

A) l> m > n; B) l > n > m; C) m > n > l; D) n > l >m; E) n > m>l;

A

8. m = ; n = 3.141516….; p = ; q = ; sonlardan qaysilar irrotsional sonlar?

A) p ,q; B) m ,p; C) m ,n ; D) n , q; E) hammasi .

Y echish: m=

D
n=3,141516...

p=4 n,q

q=

9. ni hisoblang .

A
B
) 1 B) C) 1 D) - E)

10. ni hisoblang.

A) 32 B) 0,32 C) 3,2 D) E)


C

11. son o’qida -4 dan 2,3 birlik masofada joylashgan sonlarni aniqlang.

A
D
) - 6,3 B) - 6,3 va 1,7 C) 6,3 va 1,7 D) - 6,3 va -1,7 E) -1,7

-6,3 -1,7

12. piyoda kishi 1 km yo’lni soatda o’tadi. U km yo’lni qancha soatda o’tadi.

A) B) C) D) E)

Y
B
echish:

13. ( + x) : 7 = ( + x) :9 tenglamani yeching.

A) 1 B) 1 C) 1 D) 1 E) 1

Y

B
echish: (

14. * ni hisoblang .

A) 38 B) 30 C) 40 D) 44 E) 50

Y

C
echish: +

15. m = va n = sonlar uchun quyidagi munosabatlardan biri to’g’ri ?

A) n > m B) n< m C) n =m D) n – 1= m E) n =


A

16. c = va d = sonlar uchun qaysi munosabat o’rinli.

A) c > d; B) c < d C) c =d D) c= d-1 E) + =




A

Chunki

17. O’zaro teskari sonlarni aniqlang.

1) va 2 - va + ; 3) va ; 4) va ;

A) hammasi B) 2;3;4 C) 1;3;4 D) 1;2;4 E) 1;2;3

Yechish: 1)

2)

3)

4
E
)

18. * ni soddalashtiring.

A) 7 B) C) 2 + 1 D) E) -1

Y

D
echish:

19. b ning qanday qiymatida kasrning qiymati ga teng bo’ladi?

A) -2 B) 2 C) 4 D) 10 E)

Y

B
echish: =

20 . lg(x-3) – lg(x + 9) = lg(x-2) tenglamada x ning qabul qilishi mumkin bo’lgan qiymatlat toplamini ko’rsating .

1. 
   ( 2; 3) B) (9; C) (- 9 ; D) (3 ; E) ( -
   

Y echish:

-9 2 3

lg

x

D
-3= (3;+∞)

21. Agar a:b = - bo’lsa , - 5 ni hisoblang.

A
A
) 0 B) C) 5 D) -5 E) -

Yechish: -5

2-usul: a=-

22. f(x) = lg ( arcsinx) funksiyaning qiymatlari to’plamini toping.

A) ( - B) (- C) ( - D) [ 0;

E) [

Yechish: 1) arcSinx˃0

2) arcSinx ning asosiy qiymatlari -

3
C
) 10˃1 va 0˂arcsinx≤

(-∞;lg

23. Quyidagilardan qaysilari kamayuvchi funksiyalar?

1) 2) 3) y=3*(

A)1,3,5 B)2,3,4 C)1,4 D)3,5 E)1,3,4

1 ) y=

Yechish:1)

2)y=

3) y=3*

4)y=(

31. OY o’qqa nisbattan y=-3x+1 to’g’ri chiziqqa simmetrik bo’lgan to’g’ri chiziqning tenglamasini ko’rsating.

A ) y=3x-1 B) y—3x-1 C) y-3x+1 D) y=-3x+1 E) y= - x+1

Y echish: x=0 y=3x+1

X =-1

C
x

y=-3x+1

32. To’g’ri to’rtburchakning perimetri 32 ga, qo’shni tomonlarining ayirmasi 2 ga teng. Uning tomonlarini toping.

A) 8 va 6 B) 12 va 10 C) 10 va 8 D) 9 va 7 E) 11 va 9

Yechish: x

y

D

33. tenglamalar sistemasini yeching .

A) (-4; 3) B) (4;3) C) (3;-4) D) (4; -3) E) yechimga ega emas.

Y

D
echish:

34. m ning qanday qiymatlarida 4 -( m-3)x-9=0 tenglamaning ildizlari qarama qarshi sonlar bo’ladi?

A) 1,5 va -1,5 B) va - C) 1,5 D) E) 0

X1,2=

( (

m

D
=

35. +px+6=0 tenglama ildizlari ayirmasing kvadrati 40 ga teng bo’lsa ildizlari yig’indisi qancha bo’lishini toping.

A) B) 8 C) -8 D) -8 va 8 E) 0

X1*x2=6

1. 
   1)= X1(1)=
   

X2(2)= X2(2)=

X

D
1(1)+X2(2)=

X1(2)+x2(2)=

36. a> 2b >0 shartni qanoatlantiruvchi a va b sonlar uchun quyidagi munosabatlardan qaysi o’rinli ?

1) > 7 2) > 3) < 2 4) > 0

a
E

37. tengsizliklar sistemasi butun yechimlari yig’indisini toping .

A ) 12 B) 9 C) 7 D) 8 E) 1


B
3 5 4+5=9

38. Quyidagi ketma-ketliklardan qaysilar geometric progressiyani tashkil etadi?

1) =2 ; 2) =a +1; 3) = .

A) 1;3 B) 2;3 C) hech biri D) 1;2;3 E) 1;2

Yechish: 1) =2

X=0;1 q=1 bo’ladi

2. 
   =a +1
   
3. 
   
   A
   = . =
   

= , ….

39. y = funksiyaning hosilasini toping .

A
D
) B) C) cos (7x - 5) D) –cos(7x - 5) E) -7cos7x

Yechish: yˈ = cos(7x-5)*(7x-5)ˈ=-

40. y = funksiyaning hosilasini toping.

A) B) C) D) E)

Y
B
echish: yˈ=

41. ni hisoblang .

A) 3 B) 2 C) 4 D) -4 E)8

Yechish:

X	-2	-1	0	1	2
y=	3	2	1	2	3

y



S x

S

C
= +(0-(-2))=4

42. y= funkgrafigi koordinatalar tekisligining qaysi choraklarida yotadi.

A) B) 3; 4 C) 2;3 D) 1;4 E) 1;2

y y= , a˃1 y=




D

Demak, 1 va 4

43. + -2* =0 tenglama ildizining uch baravarini toping.

A) -6 B) 3 C) -3 D) 6 E) 0

E
=y

2)y=1

4 4. Radiusga teng bo’lgan vatarning uchlaridan aylanaga urinmalar o’tkazilgan.Shu urunmalar vatar yotgan to’g’ri chiziq hosil qilgan burchaklarni toping.

150˚


A
30˚

A)30

45.Uchburchakning tomonlari o’rtalarini tutashtirib , perimetri 65 ga teng bo’lgan uchburchak hosil qilindi. Berilgan uchburchak perimetrini toping.

A) 32,5 B) 260 C) 75 D) 195 E) 130

C P=130

A1 B1

A C1 B

P

E
=2*65=130

46. To’g’ri burchakli uchburchakning gipotenuzasi 13 ga , katetlaridan biri ga teng. Gipotenuzaga tushirilgan balandlik uzunligini toping.

A ) 5 B) 6 C) 7 D) 4 E) 9

a h 13

h

B
=

47. ning tomonlari ning mos tomonlaridan 2 marta katta. ning yuzi ning yuzidan nechi marta katta?

A) 12 B) 6 C) 2 D) 4 E) 6

C C1


A
S S1

A B A1 B1

AB=2

48.Muntazam oltiburchakka tashqi chizilgan aylananing uzunligi 4 ga teng. Shu ko’pburchakning yuzini toping.

A) 6 B) 6 4 E) 12

A B

R

O

2ᴨR=4ᴨ






C

49. Berilgan nuqtadan tekislikka ikkita og’ma va perpendikulyar tushirildi. Og’malarning proyeksiyalari 27 va 15 ga teng hamda ulardan biri ikkinchisidan 6 ga uzun bo’lsa , perpendikulyarning uzunligini toping.

A) 30 B)39 C) 45 D) 33 E)36

X

E
h x+6

15 27

50. x ning qanday qiymatida M(x;0;0) nuqta (1;2;-3) va (-2; 1;3) nuqtalardan baravar uzoqlashgan ?

A) 0 B) 1 C) -2 D) -1 E) -3

M2(-2;1;3)



M(x;0;0)

M1(1;2;-3)

1. 
   
   

2. 
   
   

1
A
)va 2)

51. n ning qanday qiymatlarida (n; -2; 1) va (n; 1; -n) vektorlar perpendikulyar bo’ladi.

A) 0 B) -2 C) 2 D) -1 E) 2 va -1




E

52. Kubning dioganali ga teng. Uning hajmini toping.

A) 9 B) 9 C) 3 D) 1 E) 6

C


D


B

B A

53.Har birining diametric 50 ga teng bo’lgan uchta quvur suv o’tkazish qobiliyati shu uchta quvurnikiga teng bo’lgan bitta quvur bilan almashtiriladi. Katta quvurning diametrini toping.

A) 85 B)150 C)50 D) 75 E)100

B 1-usul;

H V=ᴨ

A V=625ᴨ

=3V ᴨ

3V= ᴨ


C
H

2-usul; Ko’ndalang kesim yuzi:S=ᴨ

3S=3*625ᴨ

54.Radiuslari 2 , 3 va 4 ga teng bo’lgan metal sharlar eritilib , bitta shar qo’yiladi. Shu sharning hajmini toping.

A
E
) 144 B) 396 C) 99 D)116 E)132