Boshlang’ich, oraliq va yakuniy nazorat ishlar to’plami I bosqich talabalari uchun boshlang’ich, oraliq va yakuniy nazorat ishlar

III variant

1. To’g’ri tasdiqni toping.

a) ZÌN b) RÌC d) QÌZ e) CÌZ

2. 270 sonining natural bo’luvchilari nechta?

a) 15 b) 17 d) 16 e) 20

3. 1 dan 100 gacha bo’lgan sonlar ichida 6 raqami necha marta qatnashadi ?

a) 10 b) 11 d) 20 e) 12

4. Birhadlar ko’paytmasini toping. 4x⁵y⁹ * 55x⁷yz⁴

a) 220x ¹²y⁹z⁴ d) 220x¹²y¹⁰

b) 220x¹²y¹⁰z⁴ e) 22x¹²y¹⁰

5. Bo’lishni bajaring. (35t⁹d⁹ – 45t⁷d⁷) : (-5t⁵d⁵)

a) -7t⁴d⁴ + 9t²d² d) -7t⁴d⁴ - 9t²d²

b) 7t⁴d⁴ + 9t²d² e) 7t⁴d⁴ - 9t²d²

6. Ko’paytiring. -3a³b⁵ (7a⁵b⁶c⁴-5ab³)

a) 21a¹⁵b¹⁸c⁴+15a³b¹⁵ d) 21a⁸b¹¹c⁴ -15a⁴b⁸

b) -21a⁸b¹¹c⁴+15a⁴b⁸ e) -21a⁸b¹¹c⁴ -15a⁴b⁸

7. Qavsni oching. (2x-1)²

a) 4x²-4x+1 b) 4x²-1 d) 4x²-4x-1 e) 4x²+4x-1

8. Mavhum sonni toping.

a) √1 b) √-1 d) -1 e) 1

9. Berilgan kompleks songa qarama-qarshi kompleks sonni toping. z = - 4+5i

a) – z = 4-5i d) z = 4-5i

b) - z = -4-5i e)

10. O’zaro qo’shma kompleks sonlar qoidasini toping.

a) faqat mavhum qismlari ishorasi bilan farq qilunchi

b) faqat haqiqiy qismlari ishorasi bilan farq qiluvchi

d) haqiqiy va mavhum qismlari ishoralari bilan farq qiluvchi

e) bilmay

11. Berilgan kompleks songa o’zaro qo’shma kompleks sonni toping. z = 9-7i

a) z = -9-7i b) z = 9 + 7i d) z=-9 + 7i e) z=9-7i

12. x² – 36x=0 tenglamaning yechimini toping.

a) yechimga ega emas d) x_1,2=±6

b) x₁=0 x₂=36 e) x=6

13. Y’g’indini hisoblang. (2-9i)+(-7+20i)

a) -5+11i b) -5+29i d) 5+11i e) -5-11i

14. Tenglamani yeching. 4x²- 100=0 :

a) yechimga ega emas b) x=5 d) x_1,2=±5 e) x=-5

15. Bikvadrat tenglani ko’rsating.

a) x⁴-5x+9=0 d) x⁴-5x²+9=0

b) x²-5x+9=0 e) x⁴-5x⁴+9=0

16. Musbat sonlar qatorini toping.

a) 23; -57; -0,56 b) 47,67; 6; -87

d) 25; 78,45; 964,675 e) -1;-2;3;4

17. –(5,6)³ + (3,9)³ ni hisoblang.

a) 116,297 b) -116,297 c) 654,258

18. a<0 bo’lsa , ifodaning qiymati musbatmi yoki manfiy? a³b⁴

a) manfiy, b) musbat

d) manfiy ham emas, musbat ham emas e) to’g’ri javob yo’q

19. b<0 bo’lsa , ifodaning qiymati musbatmi yoki manfiy? a³b⁴

a) manfiy, b) musbat

d) manfiy ham emas, musbat ham emas e) to’g’ri javob yo’q

20. Tenglamalar sistemasini yechishning necha usuli bor?

a) 3 b) 2 d) 1 e) 4

21. y=kx funksiya grafigi nimadan iborat?

a) to’g’ri chiziqdan b) koordinata boshidan o’tuvchi to’g’ri chiziq

d) egri chiziq e) paraboladan

22. –8/5 va 0,76 ni taqqoslang.

a) –8/5 < 0,76 b) –8/5 > 0,76 d) –8/5 = 0,76 e) –8/50,76

23. Qavariq 7 burchakning dioganallar sonini aniqlang.

a) 7 b) 4 d) 14 e) 10

24. Ko’paytmani toping: 3.9 ^. (-0.5)

a) 1.95 b) -1.95 d) 0 e) 1

25. Hisoblang: (- 6\7) . (- 14\15)

a) –4/5 b) 4/5 d) 1 e) -1