8-sinf Matematika ii-chorak

8-sinf Matematika II-chorak
1 -variant
1. Hisoblang:
A) 9 B) 81 C) 27 D) 3
2 . Tenglamani yeching:
A ) 3 B) 9 C) 27 D) 81
3.Hisoblang:

A) 9 B)5 C)3 D)10

4 . Hisoblang:

A ) 5 B) 10 C)25 D) 7

5 . Sonlarni taqqoslang:
A) B) C) D)

6. -5 < 6 tengsizlikning ikkala qismiga -3 sonini qo’shish natijasida hosil bo’ladigan tengsizlikni ko’rsating.

A) -8 < 3 B) -2 < 3 C) -8 < 9 D) -2 < 9
7.Tengsizlikni ko’paytiring: 6 > -5 va 7 > -3
A ) 42 > - 15 B) 42 > 15 C) -42 > 15 D) 13 > 8
8. Ifodani soddalashtiring.

9. Hisoblang:

10. Tenglamani yeching:

11. To’g’ri burchakli uchburchakning gipotenuzasi C=17 sm ga
katetlari a=15sm, b=8sm ga teng, α burchagining sinusini toping.
12. Hisoblang: sin 30° +4 cos 60° - tg 45°.
A) 1 B) 0 C) 1,5 D) 2
13. To’g’ri burchakli uchburchakning katetlari 5 sm va 12 smga teng. Gipotenuzani toping.
A) 13sm B) 9 sm C) 17sm D) 7 sm

14. Ifodani soddalashtiring.

15.To’g’ri burchakli uchburchakning gipotenuzasi 8sm va o’tkir burchagi α=30°ga teng. Shu burchak qarshisidagi katetini toping.

8-sinf Matematika II-chorak
2 -variant
1. Hisoblang:
A )8 B) 4 C) 16 D)32
2. Tenglamani yeching.
A ) x=4 B) x=8 C)2 D) x=16
3.Hisoblang:
A ) 3 B) 7 C) 9 D) 15
4. Hisoblang:

A ) 1 B)7 C) 14 D) 49

5. Sonlarni taqqoslang 0,7 va

A) 0,7 > B) 0,7< C)0,7= D)0,7≤

6. 8 > -2 tengsizlikni ikkala qismiga 4 sonini ko’paytirganda hosil bo’ladigan tengsizlikni toping.

A) 12 >6 B) 32> -8 C) 32< -8 D) 12 > -8
7. Tengsizlikni qo’shing: 7 > -3 va -2> -6
A ) 5 > -9 B) 9 > -9 C) 5 > -3 D) 9 > -3
8. Ifodani soddalashtiring:
9 . Hisoblang:
10.Tenglamani yeching:
11. To’g’ri burchakli uchburchakning gipotenuzasi C=37sm, katetlari a=12sm, b=35sm
g a teng α burchakning kosinusini toping.
A) B) C) D)

1 2.Hisoblang: cos60° - 2sin 60° + tg 60°=

A) B) 2 C) D) 1,5

13.To’g’ri burchakli uchburchakning gipotenuzasi 10sm katetlaridan biri 6sm ga teng. Ikkinchi katetini toping

A ) 16sm B)5sm C)10sm D)8sm
14.Ifodani soddalashtiring:

15.To’g’ri burchakli uchburchakda 7 sm ga teng katetiga yopishgan burchagi 60°ga teng. Shu uchburchakning gipotenuzasini toping