1. x(x-1)(x-2)(x+3)=0 tenglama natural sonlarda nechta yechimga ega?

1.x(x-1)(x-2)(x+3)=0 tenglama natural sonlarda nechta yechimga ega?
A) 1 B) 2 C) 3 D) 4
2. (x²+4)(x-2)(x+3)=0 tenglama nechta ildizga ega?
A) 1 B) 2 C) 3 D) 4
3. (x²+4)(x-2)(x+3)=0 tenglama nechta haqiqiy ildizga ega?
A) 1 B) 2 C) 3 D) 4
4. + =0
Bo`lsa x+y=?
A) 3 B) 4 C)6 D)12
5. =0 bo`lsa tenglama ildizlari yig`indisini toping?
A) 0 B) 1 C) 2 D) -2
6. (x+2)²+(x+2)(x+6)=0 bo`lsa tenglamani yeching?
A) -2 B) -2 va -4 C) 4 D) 4va-2
7. >1 tengsizlik nechta butun yechimga ega ?
A) 4 B) 1 C) 2 D) 3
8. qaysi biri ma`noga ega ?
A) 0! B) 0^-2 C) D) barchasi
9. sistema nechta yechimga ega?
x²+y²=25
x-y=5
A) 1 B) 2 C) 3 D) yechimga ega emas

10.tenglamani yeching?

1 :2 =2
A) 5 B) 10 C)3 D) 4
11. - *( - ) ni soddalashtiring
A) B) C) 1 D) -1
12.hisoblang
(1.6²-2.2* ): 1.4
A) 1.4 B) 1.2 C) 2.2 D) 1.6
13.a=2⁵+2^-5 b=2⁵-2^-5 bo`lsa a<sup>2</sup>-b<sup>2</sup> nimaga teng?
A) 0 B) 2 C) 1 D) 4
14.(ax-2y)(x+3y)=ax<sup>2</sup>+5xy-6y<sup>2</sup> ayniyatdagi nomalum koeffitsiyent a ni toping?
A) 5/2 B) 2 C) 5/3 D) 7/3
15.k ning qanday qiymatlarida tenglama 0dan farqli o`zaro teng ildizlarga ega?
x²-2k(x+1)-k²+6k=0
A)1 B)0.5 C) 2 D) -1
16. ning qiymatini toping?
A)0.3 B) 3 C) 0.9 D)9
17.2012*2011-2014*2009 ni hisoblang?
A) -6 B) -4 C) 6 D) 2
18. agar a=-5 b=-4 bo`lsa
(a³+a²b+ab²+b³)(a-b) ifodaning qiymatini toping?
A) 425 B)330 C)369 D) 1

19.agar a+b+c=-2.5 va + + =1

Bo`lsa a+b+c-( + + ) ni hisoblang?

1. 
   8 B) 1 C)3 D) a,b,c ga bog`liq
   

20. + =5 tenglama ildizlari yig`indisini toping?
A) -0.5 B) -0.3 C) -0.4 D) -0.2
21. Agar x= bo`lsa ni hisoblang?
A) B)
C) D)
22. (a+1)x²-3ax+4a=0 tengalama a ning qanday qiymatlarida 2ta haqiqiy ildizga ega ?
A) Ø B) (-1 ;-1)v(-1;0)
C) (-1 ;0) D) (-∞;∞)
23. a,b manfiy butun sonlar uchun a=b+5 va a+b-c=13 bo`lsa, c ning eng katta qiymatini toping?
A) -17 B) -18 C) -19 D) -20
24. . (a+1)x²-3ax+4a=0 tengalama a ning qanday qiymatlarida 2ta ildizga ega ?
A) Ø B) (-1 ;-1)v(-1;0)
C) (-1 ;0) D) (-∞;∞)
25.2x-3 +1=0 tenglamani yeching?
A) 1va 2.5 B) -2.5va -2 C) 2va2.5
D) -1va -2.5

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21	22	23	24	25

Tuzuvchi :Normurodov Shohruh Akbarovich
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1	2	3	4	5
B	D	B	C	C
6	7	8	9	10
B	A	A	B	A
11	12	13	14	15
A	A	D	D	C
16	17	18	19	20
C	C	C	C	D
21	22	23	24	25
D	B	D	D	A