1-kurs 1-semestr Yakuniy nazorat ishi

1-kurs 1-semestr
Yakuniy nazorat ishi
1-variant
1. A=[-3;3] va B=[-2;4] bo’lsa, u holda A\B ni toping.
A) [-3:-2] B) [-1;4]
C) [-2;3] D) [3;4]
2. ni hisoblang.
A)26 B) 648 C) 407 D) 208
3. Qanday birhadlar o’xshash birhadlar deyiladi?
A) Darajalari bir xil bo’lganlari
B) Faqatgina koeffitsiyenti bilan farqlanadiganlari
C) Koeffisiyenti bir xil bo’lganlari
D) O’zgaruvchilari bir xil bo’lganlari
4. Noma’lum sonning 14% i 80 ning 35% iga teng. Noma’lum sonni toping.
A) 120 B) 168 C) 200 D) 280
5. Qaysi tenglik qoldiqli bo‘lishni
ifodalaydi?
1) 47 = 4·11 + 3; 2) 47 = 6·6 +11;
3) 47 = 9·5 + 2; 4) 47 = 7·7 – 2.
A) 1; 3 B) 1; 2; 3
C) 1; 4 D) 2; 3
6. ni ko‘paytuvchilarga
ajrating.
A) B)
C) D)
7. Agar a=3+2i; b=4-3i bo’lsa, u holda , a·b toping.
A) 7-i B) 12-6i C) 18-i D) 5+i
8. 2x¹²y³(2y⁸-3x³) ko’phadning darajasini toping.
A) 4 B) 15 C) 23 D) 18
9. ni hisoblang.
A) 1 B) 1,5 C) 1,25 D) 2,5
10. 123⁴⁵⁶ soni qanday raqam bilan tugaydi?
A) 3 B) 9 C) 7 D)1
^11. (x>0). ni soddalashtiring.
A) 3x B) 3x+1 C) 0 D)
12.  tenglamaning nechta ildizi bor?
A) 2 B) 1 C)4 D) 3
13. tenglamaning nechta ildizi bor?
A) 4 B) 3 C) 2 D) 1
14. fodani soddalashtiring.
A) B)
C) D)
15.Ishchining oylik maoshi 350 so’m edi. Agar uning maoshi 30% ortsa, qancha maosh oladi?
A) 405 B) 380 C) 1050 D) 455
16. 24+ =x²+x tenglamaning ildizlari ko`paytmasini toping.
A) 24 B) C) D) 12
17. tenglamalar sistemasining natural qiymatlardagi yechimlari juftligi nechta?
A) 1 B) 2 C) 3 D) 4
18. tenglamaning ildizlari ko’paytmasini toping.
A) -4 B) 1,5 C) 3 D) -1
_19. ko’phadni ikkihadga bo’lgandagi qoldiqni toping.
_{A) -1 B) 7} C) 4 D) 5
20. Sonlarni o`sish tartibida joylashtiring. a= , b= , c=
A) B)
C) D)
21. (x²+20x+20)(x²+x+20)=20x² tenglamaning haqiqiy ildizlari yig`indisini toping.
A) 40 B) -21 C) 20 D) -20
22. Tenglamani yeching:
A)1/4 B) 3/4 C) 3/8 D) yechimi yo’q
23. Quyidagi sistemani yeching:
A) B) (7;13) C) (3;5) D)
24. tenglamaning barcha ildizlari yig’indisini toping.
A) 5 B) -5 C) 0 D) 13
25. Tenglamani yeching:
(bunda [a]- a sonning butun qismi)
A) B) 1 C)4 D)

1-kurs 1-semestr

Yakuniy nazorat ishi