X variant Algebra

X variant
Algebra
1. Sonlarga o‘zaro teskari sonlarni mos qo‘ying.
1) ; 2) ; 3) ; 4)
A) ; B) ; C) ; D) ; E) ;

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. “ ” shartni qanoatlantiruvchi sonlar qatorini toping.

A) 10; 11; 12; 13; 15; 15 B) 10; 11; 12; 13; 14; 14
C) 10; 10; 11; 12; 12; 12 D) 11; 12; 12; 12; 14; 14

Javob:

4. Soddalashtiring.

Javob: _______________________

5. Ifodani soddalashtiring. , bu yerda va .

A) B) C) D)

Javob:

6. Agar bo‘lsa, ni toping.

A) B) C) D)

Javob:

7. Funksiyaning o‘sish oraliqlarini toping.

Javob: _______________________

8. Yoqlari 1, 2, 3, 4 sonlari bilan belgilangan ikkita tetraedr bir vaqtda stolga tashlanmoqda, bunda tetraedrlarning stolga tegib turgan yog‘idagi ochko hisobga olinadi. Ikkita tetraedrdan tushadigan ochkolar ayirmasi modulining eng katta qiymati tushish ehtimolligini toping.

Javob: _______________________

9. Sinfdagi 15 nafar o‘g‘il bolalarning har biri 6 nafar sinfdosh qizlarga bittadan gul sovg‘a qildi. Har bir qiz 5 tadan gul olgan bo‘lsa, sinfdagi jami qizlar soni nechaga teng bo‘ladi?

Javob: _______________________

10. tenglamani natural sonlarda yeching.
Yechish:_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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Javob: _______________________

11. Chastotalar bo‘yicha taqsimoti berilgan – tasodifiy miqdorning dispersiyasi va o‘rta kvadratik chetlanishini toping:

		1	4	5
	1	2	3	2

Yechish:_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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Javob: _______________________

12. Ikki qishloq orasidagi masofa 9 km. Yo‘l qiyalik va tekislikdan iborat. Piyoda qiyalikdan tepaga 4 km/h tezlik bilan ko‘tarildi, tekis yo‘lda 5 km/h tezlik bilan yurdi, qiyalikdan pastga esa 6 km/h tezlik bilan tushdi. Piyoda bir qishloqdan ikkinchisiga borib kelishga 3 soat-u 41 minut sarflagan bo‘lsa, yo‘lning tekis qismi necha km ni tashkil qiladi?

Yechish:_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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Javob: _______________________