Vii variant Algebra

VII variant
Algebra
1. Sonlar juftligini taqqoslang. Har bir juftlik uchun , va belgilarning mosini qo‘ying.
1) ; 2) ; 3) ; 4)
A) B) C)

Javob:	1	2	3	4

2. Quyida funksiya grafiklari berilgan. Har bir grafikka mos hollarni toping.

1)	2)		3)		4)		5)
Javob:		A		B		C		D

3. Ehtimolliklari bo‘yicha taqsimoti quyidagi jadvalda berilgan tasodifiy miqdor qiymatlarining matematik kutilmasini toping:

A) B) C) D)

Javob:

4. Soddalashtiring.

Javob: _______________________

5. Agar bo‘lsa, ni soddalashtiring.

A) B) C) D)

Javob:

6. Agar bo‘lsa, ni toping.

A) B) C) D)

Javob:

7. Funksiyaning qiymatlar to‘plamini toping.

Javob: _______________________

8. Oltita shar tasodifiy uchta qutiga joylashtiriladi. Barcha qutilar bo‘sh bo‘lmasa, barcha qutilarda har xil miqdordagi sharlar bo‘lish ehtimolligini toping.

Javob: _______________________

9. 0, 1, 2, 3, ..., 9 raqamlaridan ularni takrorlamay tuzilgan 10 xonali sonlar ichida 3 va 7 raqamlari yonma-yon turadiganlari nechta?
Javob: _______________________

10. berilgan. ni ga bo‘linganda qoldiq 10 bo‘lsa, ni ga bo‘linganda qoldiq nechaga teng bo‘ladi?

Yechish:_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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Javob: _______________________

20	27	23	27	25
23	25	28	26	23
30	27	26	30	29
28	27	29	27	22

11. Kafening egasi tushlik vaqtida ovqatlanuvchilarga o‘z vaqtida xizmat qilish, shu vaqtda xizmat qiluvchilarning sonini to‘g‘ri belgilash va tayyorlanadigan taomlarga sarflanadigan xarajatlarni to‘g‘ri rejalashtirish maqsadida uning kafesida tushlik qiluvchilarning sonini 20 kun davomida jadvalga yozib bordi:
Bu ma’lumotlar foydalanib:
1) chastotalar (M) va nisbiy chastotalar (W) bo‘yicha taqsimotlar jadvalini tuzing;
2) chastotalar poligonini chizing.
Yechish:_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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Javob: _______________________

12. ning qanday qiymatlarida va to‘g‘ri chiziqlarning kesishish nuqtasi to‘rtinchi chorakning bissektrisasida yotadi?

Yechish:_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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Javob: _______________________