Rombning perimetri 60 ga, diagonallari yig‘indisi 36 ga teng. Rombning yuzini toping

1) Rombning perimetri 60 ga, diagonallari yig‘indisi 36 ga teng. Rombning yuzini toping.
A) 97 B) 100 C) 99 D) 95
2. x²+20y²=9xy tenglamda ning eng katta qiymatini toping.
A)9 B) 10 C) 5 D) 4
3. Perimetri 10, tomon uzunliklari butun sonlar bo‘lgan nechta chburchak mavjud?
A) 14 B) 3 C) 2 D) 4
4. tenglamaning  oraliqda nechta yechim bor? 
A) 5 B) 3 C) 2 D) 1
5.Hisoblang: 
A) -1 B) 3 C) 0 D) 2
6. ni soddalashtring.
A) 2 B) 1 C) tg3x D) tg²3x
7.  aniq integralni hisoblang
A) 2 B) 4 C) 1 D) 0
8. tengsizlikni qanoatlantirmaydigan eng kichik butun sonni toping.
A) -4 B) 2 C) 5 D) 3
9. A(1; 8), B(4; 1), С(7; 8) nuqtalarni tutashtirishdan hosil bo‘lgan uchburchak yuzini toping.
A) 21 B) 31 C) 22 D) 20
10. Prizmaning qirralari soni 60 ga teng. Uning yoqlari sonini toping.
A) bir qiymatda aniqlab bo’lmaydi B) 60
C) 22 D) 20
11. butun ildizlari yig‘indisini toping
A) 8 B) 4 C) 12 D) 9
12. bo'lsa,  ni hisblang.
A)
13. ni soddalshtiring
A) 1 B) 0
C)
D)
14. tengsizlikning butun yechimlari o‘rta arifmetigini toping.
A) 1.5 B) 2 C) 1(6) D) 2.5
15. Uchlari A(4;-1), B(2;1), C(2;-4) nuqtalarda bo‘lgan uchburchak yuzini toping
A) 8 B) 7 C) 6 D) 5
16. cos²(2 arctg(-2))=?
A ) -0.36 B) -0.6 C) 0.6 D) 0.36
17.
A) 5 B) 15 C) 15-5 D) 15-4
18. ildizlari ko‘paytmasini toping.
A) -10 B) 10 C) 100 D) -100
19. tenglamaning ildizlari ko‘paytmasini toping.
A) 1 B) 2 C) 3 D) 4
20. A(1;1) , B(1;-1) , C(2;0) nuqtalar orqali o‘tuvchi aylana radiusini toping
A) 2 B) 1 C) 6 D) 1.5
21. a va b natural sonlarning umumiy bo‘luvchilari soni 6 ga teng bo‘lsa, 3a + b va a sonlarning umumiy bo‘luvchilari nechta?
A) 5 B) 4 C) 6 D) 1
22. Rasmda ko‘rsatilgan ko‘pyoqlardan qaysi birida 5 ta yoq, 9 ta qirra va 6 ta uchi bor?
A) 1,3 B) 3 C) 1 D) 2
23. 40 yoshli otaning yoshi 3 ta bolasining yoshlari yig‘indisidan 2 barobar ortiq. Necha yildan keyin otaning yoshi bolalarining yoshlari yig‘indisiga teng bo‘ladi?
A) 20 y B) 10 y C) 5 y D) 15 yil
24. ax²+2(a+1)x+9a+4<0 tengsizlik ixtiyoriy x da o‘rinli bo‘ladigan a eng katta butun qiymatini toping 
A) 3 B) -1 C) 1 D) -3
25. Arifmetik progressiyada 10-hadi 7 ga, 7-hadi esa 10 ga teng. Progressiyaning 3-hadini toping.
A) 12 B) 14 C) 13 D) 15
26. Oralaridagi masofa 42 km bo‘lgan ikki velosipedchi bir tomonga qarab harakat qilmoqda. Orqadagi velosipedchining tezligi oldindagisining tezligidan 4 km/soat ortiq bo‘lsa, qancha qaqtdan so‘ng ular orasidagi masofa 54 km bo‘ladi?
A) 16 B) 22 C) 24 D) T.J.Y
27. Asosi 12 ga teng bo‘lgan, uchidagi burchagi 90° dan kam bo‘lmagan teng yonli uchburchakning eng katta yuzini toping.
A) 24 B) 42 C) 32 D) 36
28. a, b va c musbat butun sonlar uchun x=3a+2=5b+4=7c+6 tenglik bajarilsa, x uch xonlali eng katta soni toping
A) 999 B) 944 C) 945 D) 976
29. funksiya berilgan. Agar bo‘lsa bu funksiyaning grafigi qaysi choraklardan o‘tadi?
A) I, III, IV B) I, II, IV
C) II, III, IV D) I, II, III
30. Tenglamalar sistemasini yeching.
A) B)
C) , D)