Mio (20122017). Matematika

MIO (20122017).
Matematika.

1. Sistemani yechimini toping.

А) (2;1) В) (1;2) С) (1; 1) D) (2;1) va (1,2)

2. m ning qanday qiymatlarida my+1=m tenglama

yechimga ega bo’lmaydi.

А)m=1 В)m=0 С)m= -1 D)m=2

3. To’g’ri burchakli uchburchik yuzasi 720 ga teng,

katetlar nisbati esa 9:40 kabi nisbatda. Uning

gipotenuzasini toping.

A)83 B)82 C) 85 D)90

4. Tenglamani yeching.

A) 15/11 B)14/11 C) 12/11 D) 13/11

5. Berilgan nuqtalardan qaysi biri f(x)= -3x + 4

funksiya grafigida yotadi?

A) (3;-5) B) (-3;5) C) (5;-3) D) (2;4)

6. ning qanday qiymatida

tengsizlik x ning barcha qiymatlarida o`rinli

bo`ladi?

A) B) C) D)

7. Agar ABC uchburchakda AB=6 sm, BC=12

sm va bo`lsa, uchburchakning A

burchagini toping?

A) 45^o B) 90^o

C) 60^o D) 30^o

8. ning qanday qiymatlarida giperbola

bilan to`g`ri chiziq bitta umumiy

nuqtaga ega bo`ladi?

A) 10 B) -9

C) 8 D) 9

9. Teng yonlitrapetsiyaning asoslari 10 sm va 16

sm, yon tomoni esa 5 sm. Trapetsiyaning yuzini

toping?

A) 45 sm² B) 50 sm²

C) 52 sm² D) 48 sm²

10. Funksiyaning aniqlanish sohasini toping:

A) B)

C) D)

11.Ikki musbat sonning yig`indisi 160 ga teng.

Agar shu sonlar kublarining yig`indisi eng

kichik bo`lsa, shu sonlarni toping.

A) 95; 65 B) 155; 5 C) 75; 85 D)80; 80

12. α ning qanday qiymatlarida

tengsizlik x ning barcha qiymatlarida o`rinli

bo`ladi?

A) B)

C) D)

13. To'g'ri tenglikni toping:

A) B)

C) D)

14. va vektirlarning skalyar

ko’paytmasini toping.

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

15. tengsizlikning natural

yechimlari yig`indisini toping.

A) 10 B) 11 C)12 D) 13

16. To`g`ri to`rtburchakning diagonali uning bir

tomonidan 2 marta uzun. To`g`ri to`rtburchak-

ning diagonallari orasidagi burchakni toping.

A) 30^o B) 60^o C) 150^o D) 90^o

17. Ifodaning son qiymatini toping:

bunda

A) 14,4 B) 12 C) 11 D) 1,2

18. a = 6 sm, b = 12 sm, c = 18 sm bo’lgan

kesmalar berilgan. Bu kesmalarga proporsional

bo’lgan d to’rtinchi kesmaning uzunligini toping.

A) 54 sm B) 30 sm C) 36 sm D) 18 sm

19. ABCD to’g’ri burchakli trapetsiyada BC AD,

BAD = 90⁰, BD diagonal esa ADC burchakni

teng ikkiga bo’ladi. Agar BC=a, trapetsiyaning

o’rta chizig’i ga teng bo’lsa, BCD burchakni

toping.

A) 120⁰ B) 100⁰ C) 110⁰ D) 130⁰

19. Ifodaning qiymatini toping:

A) B) C) 6 D)

20. b ning qanday qiymatlarida

 tenglama chala

kvadrat tenglama bo’ladi .

A) B) C) 1 D) 0

21. Sonlarni kamayish tartibida yozing:

.

A)

B)

C)

D)

22. tenglamaning ildizlaridan biri

–3 ga teng. Tenglamaning ikkinchi ildizini va

koeffitsientni toping.

A) B)

C) D)

23. Romb perimetri 24 sm, balandligi esa 3 sm ga

teng. Rombning burchaklarini toping.

A) 30⁰ va 150⁰ B) 40⁰ va 140⁰

C) 80⁰ va 100⁰ D) 70⁰ va 110⁰

24. Uchburchak tomonlari 8 sm, 10 sm va 14 sm ga

teng. Uchlari shu uchburchak tomonlarining

o’rtalarida yotuvchi uchburchakning yuzini toping.

A) B) C) D)

25. To’g’ri burchakli uchburchak katetlarining

yig’indisi 46 sm, gipotenuzasi esa 34 sm ga teng

bo’lsa, katetlarni toping.

A) 16; 30 B) 18; 28 C) 20; 26 D) 19;27

26. 1:300 masshtabli planda to`g`ri to`rtburchak

shaklidagi bog`ning o`lchamlari 60 sm va 70 sm.

Bog`ning yuzini toping.

A) 3,78 ga B) 37,8 ga C) 378 ga D) 0,378 ga

27. Tenglamani yeching:

A) 0 va 6 B) 4 va 5 C) -4 va 6 D) 6

28. Agar bo’lsa,

A) B) C) D)

29. x²+18x-40 parabola uchining koordinatalari
yig‘indisini toping.

A) -130 B) 130 C) 1089 D) -1089

30. funkisyaning aniqlanish

sohasini toping.

A) (-1;0) [2;4] B) [-1;0] (2;4)

C) (-1;0] [2;4]

D)

31. Kompyuterning ishlash samaradorligi

(amallarni bajarish tezligi) nimaga bog‘liq?

A) displey ekrani o‘lchamiga

B) protsessor chastotasiga
D) qo‘shimcha qurilmalarning ko‘pligiga
E) klaviatura tugmachalarini tez bosishga

32. Eng katta va eng kichik sonlarni toping.

1) 35(10) 2) 89(16) 3) 111101(2)

4) 77(8) 5) ВВ(12)

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

33. Port nima uchun xizmat qiladi?

1. Kompyuterning maxsus bo‘linmasi

2. Port orqali kompyuterga tashqi qurilmalar

ulanadi

3. Port orqali kompyuterga ichki qurilmalar

ulanadi

4. Kompyuterning yordamchi qurilmasi

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

34. Personal kompyuterlarni ommaviy ishlab

chiqarish nechanchi yillarda boshlangan?

A) 1950 B) 1973 D) 1980 E) 1985

35. Microsoft Power Point dasturida «Оформление

слайда», «Разметка слайда» va «Фон»

bo’limlari qaysi menyuga tegishli?

A) Файл B) Вставка D) Формат

E) Показ слайдов

36. Qaysi qurilma inson sog‘lig‘iga salbiy ta’sir

ko‘rsatadi?

A) printer B) monitor D) sistemali blok

E) modem