3. Ifodani modul belgisisiz yozing

TEST-7

1. =? A) 1 B) 2 C) 11 D) 33
2.

3. Ifodani modul belgisisiz yozing.
A) B) C) D)
4. , ketma-ketlikda nechta turlicha natural sonlar uchraydi?
( -x ning butun qismi.) A) 10 B) 8 C) 7 D) to`g`ri javob yo`q
5. Kasr maxrajini irratsionallikdan qutqaring.
A) B)
C) D)
6. yig`indini 400 ga bo`lgandagi qoldiqni toping.
A) 1 B) 0 C) 7 C) 3
7. ning qanday qiymatlarida tenglamalar sistemasi bitta yechimga ega bo`ladi.
A) B) 1 C) 2 D) 0
8. A) 27 B) 64 C) 125 D) 8
9. funksiyaning aniqlanish sohasini toping.
A) B) C) D)
10. a ning qanday qiymatlarida cheksiz ko`p yechimga ega?
A) 6 B) -2 C) 2 D) -6
11. P(x)=3x³-9x²+kx-12 ko`phad x-3 ga qoldiqsiz bo`linsa, P(x) ko`phad quyidagilardan qaysi biriga bo`linadi? A) 3x²-4 B) 3x²-x+4 C) 3x²+x+4 D) 3x²+4
12. p va q ratsional sonlar. x²+px+q=0 tenglamaning ildizlaridan biri 2- bo`lsa, p+q ni hisoblang. A) 5 B) 1 C) -3 D) -4
13. Beshta tub sonlar ayirmasi 6 ga teng bo’lgan arfmetik progressiyani tashkil qiladi. ni toping.? A) 19 B) 17 C) 23 D) 11
14. Tenglamani qanoatlantiruvchi barcha x, y va z larning yig`indisini toping.
A) 10 B) 3 C) 5 D) 6
15. tenglamaning butun yechimlarini toping.
A) -2; -3 B) 2; 3 C) - 3; 4 D) -3; 3
16. a ning (a-2)x²-2ax+2a-3=0 tenglama bitta yechimga ega bo`ladigan qiymatlari yig`indisini toping.
A) 6 B) 7 C) 8 D) 9
17. Tengsizlikni yeching. (x²+2016x+2016)(x²+x+2016)
A) [-2017;-1] B) [1;2016] C) [-2016;-1] D) {1;2016}
18. Tenglama nechta ildizga ega.
A) 1 B) 2 C) 4 D) 0
19. Tenglamaning ildizlari yig`indisini toping.
A) 4 B) 1 C) 5 D) 3
20. Tenglamani yeching: A) 1/3 B) -1/3 C) 2/3 D) -4/5
21. Tengsizlikni yeching. A) B) (0;1) C) (1;2) D) (1;
22. Tengsizlikni yeching. A) [256; B) [0;256] C) D) {256}
23. x²+y²=1 bo`lsa, x⁶+3x²y²+y⁶ ni toping. A) -1 B) 2 C) 0 D) 1
24. m ning qanday qiymatlarida x²+2mx+9 0 tengsizlik x ning barcha qiymatlari uchun o`rinli?
A) [-3;3] B) [-2;2] C) [-1;1] D)
25. ni 1001 ga bo`lgandagi qoldiqni toping? A) 0 B) 1 C) 3 D) 7
26. tengsizliklar sistemasi a ning qanday qiymatlarida yechimga egabo`lmaydi?
A) (- ;0) B) (1,5; ) C) (3; ) D) (- ;0) va (3; )
27. Ushbu tengsizlikni qanoatlantiruvchi tub sonlar nechta? A) 1 B) 2 C) 0 D) 3
28. tenglama haqiqiy ildizlari yig`indisini toping.
A) -21 B) -20 C) -19 D) -22
29. t ning qanday qiymatlarida tenglama 2 ta turli manfiy ildizga ega.
A) t>6 B) t>3 C) t<2 D) t>2
30. Funksiyaning aniqlanish sohasini toping.
_{A) x} B) C) D)

1	A	9	D	17	C	25	A
2	B	10	C	18	A	26	C
3	C	11	D	19	A	27	B
4	C	12	C	20	B	28	A
5	D	13	B	21	C	29	A
6	B	14	C	22	B	30	A
7	C	15	D	23	D
8	B	16	D	24	A

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