2. Ikki sonning ko’paytmasi 5292 ga teng. Ularning ekuki 252 ga teng bo’lsa ekubini toping

4. ; ning qiymatini toping.

5. tenglama ildizining kvadratini toping.

6. tenglama ildizlarining yig’indisini toping.

7. x²-5x+3=0 tenglamaning ildizlari x₁ va x₂ bo’lsa, -2x₁ va -2x₂ ildizlarga ega bo’lgan x²-bx+c=0 tenglamadan b+2c ning qiymatini toping.

8. A(4;-5) va B(6;3) nuqtalardan o’tuvchi to’gri chiziq tenglamasini tuzing.

9. 2x³-3x²-4x+4 ko’phad (x-2)(ax²+bx+c) kabi ko’paytuvchilarga ajralsa a+b+c ning qiymatini toping.

10. tengsizlikni yeching.

11. x²+6x+5=(x²-1)(x+3) ; tenglamaning ildizlar yig’indisini toping.

12. Qayiqning oqimga qarshi tezligi oqim bo’yicha tezligining 25 % ga teng bo’lsa, oqim tezligi oqim tezligining necha % iga teng bo’lishini toping.

13. x²+x+m=0 tenglamaning ildizlari x₁ va x₂ va 3x₁+x₂=1 bo’lsa, m ning qiymatini toping.

14. Quydagi oddiy kasr ko’rinishida berilgan sonlardan qaysilarini chekli o’nli kasr ko’rinishiga keltirib bo’lmaydi

1) 2/34 ;2) 14/625; 3)4/90; 4) 11/125.

15. Ketma-ket ikki juft son berilgan. Kichigining to’rtdan biridan 2 ta kam bo’lgan son kattasining beshdan biriga teng bo’lsa, kichik sonni toping.