2–bob. Butun va ratsional sonlar butun sonlar ustida amallar

3–BOB. ALGEBRAIK IFODALAR

14. KO’PHADNING STANDART KO’RINISHI. KO’PHADLAR USTIDA AMALLAR.

1. Agar bo’luvchi x 9 ga, bo’linma x 6 ga va qoldiq 4 ga teng bo’lsa, bo’linuvchini toping.

A) B) C) D)

2. Agar bo’luvchi x 7 ga, bo’linma x 4 ga va qoldiq 2 ga teng bo’lsa, bo’linuvchini toping.

A) B) C) D)

3. Agar x=4 bo’lsa, ni toping.

A) 10 B) 1 C) 11 D) 0

4. Agar va bo’lsa, ko’phadni toping.

A) B) C) D)

5. ko’phadning ozod hadini toping.

A) 1 B) 2 C) 1 D) 0

6. ko’paytma koeffitsiyentlari yig’indisini toping.

A) 4 B) 4 C) 0 D) 1

7. ko’phadning koeffitsiyentlari yig’indisini toping.

A) B) 16 C) 9 D)

8. bo’lsa, A+B+C ni toping.

A) 2 B) 3 C) 4 D) 3

9. f(x,y) ko’phad (yoki birhad) bo’lib, ixtiyoriy x, y uchun f(x,y)=f(y,x) shart bajarilsa, f(x,y) quyidagilardan qaysi biriga teng bo’lishi mumkin?

A) B) C) D)

10. Birhad va ko’phadlar uchun quyidagi tasdiqlarning qaysi biri noto’g’ri?

A) agar ko’phad tarkibida faqat 2 ta harf ishtirok etsa, ikki noma’lumli ko’phad deyiladi

B) ko’phadning darajasi deb shu ko’phad tarkibidagi birhadlarning darajalari yig’indisiga aytiladi

C) ko’phadning darajasi deb shu ko’phad tarkibidagi birhadlarning eng katta darajasiga aytiladi

D) birhadning darajasi deb uning tarkibidagi barcha harflar darajalarining yig’indisiga aytiladi

11. ko’phad biror ko’phadning kvadrati bo’lsa, a va b koeffitsiyentlarning barcha qiymatlari yig’indisini toping.

A) 48 B) 26 C) 27 D) 32

12. ekani ma’lum bo’lsa, f(x) ko’phadni toping.

A) B) C) D)