1. Surati 36, maxraji ekub (132;84) ga teng bo'lgan kasrni toping va uni qisqartiring. A);3 B); C) D)

9-sinf Matematika Fizika

1. Surati 36, maxraji EKUB (132;84) ga teng bo'lgan kasrni toping va uni qisqartiring.

A) ;3 B) ; C) D) .

2. tengsizliklar sistemasini yeching.

A) (1;3) B) (-1;2) C) (-1;3) D) (0;3)

3. Ushbu tenglamani ildizlari ko'paytmasini toping.

A) -64 B) 64 C) 25 D) -25

4. Ushbu formula bilan berilgan ketma- ketlikning daslabki 50 ta hadining yig'indisini toping.

A)3480 B)5000 D) 4900 C)4500

5. Quyidagi sistemani yeching va y ning qiymatini toping:

A) 1 B) -1 C) 2 D) 2

6. Ushbu ko'phadni ko'paytuvchilarga ajrating.

A) (x²+x+2)( x²-x+2) B) (x²+x+3)( x²-x+2)

C) (x²+x+2)( x²-x+3) D) (x²+x+2) (x²+x-3)

7. qanday qiymatida ko'phad ga qoldiqsiz bo'linadi.

A) B) C) D) .

8. Uchburchakning tomonlari 5, 6, 7 ga teng. Yuzini toping.

A) B) C) D) .

9. tenglamani yeching.

A) 2 B) 3 C) 4 D) 5

10. ni hisoblang.

A) 4 B) 2 C) D)

11. ABC uchburchakda AB =12, AC=8. AN bissektrisa va BM mediana P nuqtada kesishadi. nisbatni toping.

A) B) C) 2 D) 3.

12. Aytaylik tenglamani ildizi shu ko'rinishda bo'lsin.U holda sonini 2020 ga bo'lganda qoldiqni toping.

A) 2020 B) 1 C) 2021 D) 2

13. Aytaylik x²+x+1=0 bo'lsin. U holda yig'indini hisoblang.

A) 14 B) 10 C) 2020 D) 12

14. Massasi 228 g tuzli aralashma tarkibida 88,2% suv bor. Aralashma tarkibida 81% suv bo’lishi uchun qancha suvni bug’lantirish kerak?

A) 84,6 B) 86,4 C) 72,4 D) 76,4

15. Ushbu sonni 4 ga bo'lgandagi qoldiqni toping;

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

16. 28°42`26`` burchakni 90° ga to`ldiruvchi burchakni toping. _____________

17. Ketma -ket ikkita natural sondan kichigining 5 martasi bilan kattasining 2 martasi yig'indisi 72 bo'lsa katta son nechaga teng? ________________________

18. berilgan bo'lsa, ni toping. ____________________________

19. b² ning qanday qiymatlarida funksiyaning grafigi abssissalar o‘qidan yuqorida joylashadi? _________________________________

20. A to‘plam 48 sonining butun bo‘luvchilaridan tashkil topgan bo‘lsa, A to‘plamning elementlari sonini aniqlang. _________________________________