Amallarni bajaring:
A) B) C) D)
13. O’xshash xadlarni ixchamlang:
A) 5x2+2y2 B)4x3+2y2 C) x2+2y2+4x D)5x2-2y2
14. O’xshash xadlarni ixchamlang: 5b3b – 4c3b – 5b2c – 4c (–2)c
A) 15b2-22bc-8c2 B) 15b2-2bc+8c2 C) 15b2-2bc-8c2 D) 15b2-22bc+8c2
15.
A) 5m2-3mn B)5m2-5mn-2n2 C) 5m2-3mn-2n2 D) 5m2-3mn-2n2
16.
A)9x+6y B)6x-9y C) 6x+9y D)9x-6y
17. Ko’phadlarni ko’paytiring: (–p + q) (–1 – q)
A)p+pq-q-q2 B) p-pq-q-q2 C) p+pq+q-q2 D) p+pq-q+q2
18. bo’lganda ifodani qiymatini toping: (5x – 1) (x + 3) – (x – 2) (5x – 4)
A) 48,5 B) 50 C) 49 D) 51,5
19. Ifodaning qiymatini toping:
A)-3x-5y B) 3x-5y C) 3x+5y D) -3x+5y
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