1. O’xshash hadlarni ixchamlang: x 2y 3x + 5y a 4x-7y b 4x+7y c 3y+2x d 3y-2x e 2x-7y

7-variant
1. O’xshash hadlarni ixchamlang: x - 2y - 3x + 5y
a) 4x-7y b) 4x+7y c) 3y+2x d) 3y-2x e) 2x-7y.
2. ifodadagi a qanday son qiymatlarini qabul qilishi mumkin?
а) a-ixtiyoriy son; b) 0 dan boshqa barcha sonlar ;
c)0 va 2 dan boshqa barcha sonlar; d) 2dan boshqa.
3. Ifodani soddalashtiring: -(-х²у⁴)⁴ ∙ (6х⁴у)².
а) 36х¹⁶у¹⁸; b) 36х¹²у¹¹; c) –36х¹²у¹¹; d)-36х¹⁶у¹⁸; e) javob yo`q.
4. Ikkita sonning yig’indisi, ko’paytmasi va bo’linmasi musbat bo’lsa, u holda bu sonlar qanday bo’ladi?
A) ikkalasi ham musbat B) ikkalasi ham manfiy C) biri musbat, biri manfiy
5. tengsizlikning yechimi bo`ladigan eng kichik butun sonni toping.
A. x=2 B. x=-1 C. x=-2 D.x=1
6. Tengsizliklar sistemasining yechimi bo`ladigan eng kichik butun sonni toping:
A. x=-2 B. x=-1 C. x=1 D.x=3

7. 
   Qavariq beshburchak burchaklaridan ikkitasi to’g’ri, qolganlari o’zaro 2:3:4 nisbatda. Beshburchakning katta burchagini toping.
   

A) 90⁰ B) 120⁰ C) 150⁰ D) 110⁰ E) 160⁰
8. y=-3x+1 funksiya grafigiga tegishli nuqtani toping?
A(0;7) B(2;7) C(1;-2 ) D(2;4)
9. y = - 9x² fu ksiya grafigi qaysi chorakda yotadi?
a) I chorakda b) III chorakda d) IV chorakda e) b,d
10. tengsizlikning barcha natural yechimlari yig`indisini toping.
A. 29 B. 24 C. 25 D. 28 E. 27
11. parabola uchining koordinatalarini toping.
a) (3 ;-4) b) (-5 ;-1) c) (-1 ;-5) d) (3 ;4) e) (-3 ;-4).
12. Hisoblang sin :
A) B) C) 2 D) 1 E)
13. Soddalshtiring:
A) B) C) D.) E)
14. Hisoblang :
A) 1 B) 0 C.) -1 D) E) 3
15. Agar arifmetik progressiyada a1=1, an =20, n=50 bo’ lsa, uning dastlabki n ta hadining yig’indisini toping.
A) 1000 B) 25 C) 525 D) 415