Matematika Test 10 – sinf

Matematika - Test I-variant 10 – sinf

1. 
   x² +7x 0 tengsizlikni yeching.
   

A) [-7;0]; B) x -7; C) x 0;

2. 
   (x+3)(x-4)>0 tengsizlikni yeching.
   

A) (- ;-3) (4; ); B) (-3;- ) ( ;4); C) (- ;-3) (4; );

3. = ni hisoblang.

A) ; B) 4; C) 8;
4. - ni hisoblang.

A) 8; B) 0; C) 2
5. Maxrajni irratsionaldan qutqaring. = ;

A) + ; B) 4( - ); C) ( - );
6. Ifodani soddalashtiring. = ;

A) abc; B) a²b⁴c²; C) ab²c;
7. Tenglama ildizini toping. x² + 5x + 6 = 0;

A) 1; -6; B) 2; 3; C) 4; 2;
8. Tenglamani yeching. 2^{2x +1} = 32;

A) 2; B) 6; C) -2;
9. Hisoblang. (9,3·10⁺⁷) : (3,1·10⁺⁶);

A) 3; B) 30; C) 2·10^-1;
10. Hisoblang. (0,175)⁰ – ;

A) 0; B) 0,825; C) 1;
11. Funksiyani aniqlanish sohasini toping. y = ;

A) x 1; B) x = 1; C) Javob yo‘q;
12. Tenglamani yeching. = 3 – x;

A) 8; B) 3; C) 2;

13. 
    120⁰ ni radian o‘lchjvini toping.
    

A) ; B) ; C) ;

14. cos = 0,6 bo‘lsa, sin ni toping.

A) 8; B) 1; C) 0,8;
15. Soddalashtiring. ;

A) 0,5; B) -1; C) ;

16. cos73⁰cos17⁰ – sin73⁰sin17⁰ ni hisoblang.

A) 0,5; B) ; C) 0;
17. Kasrni qisqartiring. ;

A) cos ; B) cos + sin ; C) ;

18. 
    Agar sin = bo‘lsa, sin2 ni toping.
    

A) B) C)

18. 
    cos2 nimaga teng?
    

A) ; B) cos ; C) ;

18. 
    Uchburchak ichki burchaklari yig‘indisi necha gradusga teng?
    

A) 270⁰; B) 180⁰; C) 360⁰;


Yopiq test.
1 – topshiriq. Hisoblang. (12,6 – 8,4) : 4,2 + 8,75 · 3,4 = ?

2 – topshiriq. Qo‘yidagi sonlarni o‘rta arifmetik qiymatini toping: 4,02, 3,54 va 3,09;

3 – topshiriq. Tenglamani yeching. (12,8 + x) : 2 = 14,5;

4 – topshiriq. O‘lchamlari 3,7 dm, 2,3 dm va 4,1 dm bo‘lgan to‘g‘ri burchakli parallelo- pipedning hajmini toping.

5 – topshiriq. Nigora 54,6 kg, Manzura esa undan 6,9 kg ko‘p olma terdi. Qizlar birgalikda necha kilogramm olma terishgan?



Test kaliti.

Savol	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
Javob	A	A	C	B	A	C	A	A	B	A	A	A	A	C	B	C	B	C	A	B

Yopiq test javoblari.
1. 30,75; 2. 3,55; 3. 16,2; 4) 34,891; 5. 116.1;