a) b) c) d)
2. Ifodani qiymatini toping;
a) b) ; c) ; d) ;
3. Daraja shaklida yozing.
a) a23 b) a18 c) a16 d) a17 4. Birhadlarni ko’paytiring.
a) 1/2 a5 b6 x5 b) 1/2 a6 b8 x6 c) 1/3 a b2 x-1 d) 1/4 a b6x5 5. Ko’phadni standart shakliga keltiring. 3a2 b - 8b2 - 5a2b + 6b2 + 3a2b - 2c2 = a) 2 a2 b + 4b2 b) a 2 b - 2 b2 – 2 c2 c) 5 a2 b2 –2 b d) 3 a2 b - 3 c2 6. Ko’phadning yig’indisini toping. (3x2 - 2xy - y2 ) - (4 x2 + 3 xy + 2 y2 ) = a) 5x2 - 3 xy; b) 4x2- 3xy+2y2; c) –x2 - 5xy – 3y2; d) 7x2 – 3 xy;
7. Ifodani soddalashtiring.
a) –6 x+ 23 y b) –2 x+15 y c) – 8x + 18 y d) – 9 x – 37 y
8. Ifodani soddalashtiring. (4a3b2)3 : (2a2b)2 =
a) 16a5 b4 b) 12a3 b3 c) 16a2b4 d) 16a2b3 9. Ko’paytuvchilarga ajrating. x (a - 2) + y(2 – a) + (a – 2) =
a) (a - 2)(x – 2y) b) (a - 2)(x-y+1) c) (a - 3) (x - 2) d) (a - 2) (y - 2)
10. Hisoblang.
a) 720 b) 680 c) 240 d) 744
11. Soddalashtiring. a) b2 b) 0 c) b3 d) b4 12. Ikki son ayirmasining kvadratini toping. (6a - 4b)2 =
a) 36a2 – 48ab + 16b2 b) 12a2 - 8b2 c) 36a2 - 16b2 d) To`g`ri javob yo`q
13. Tenglamani yeching -2x+3x=3x+8 a) 4 b) -4 c) 0 d)2
14. , bunda , a) b) c) d) 15. Agar uchburchakning ikkita burchagi 600 va 400 ga teng bo`lsa, uning noma’lum burchagini toping.
a) 1000 b) 200 c) 800 d) 1200