(a+b) kubi — 7-sinf Algebra test savollari

Bu mavzuda 42 ta test savoli bor. Quyida 10 ta namuna — to'liq test va javoblar kaliti ro'yxatdan o'tgandan keyin ochiladi.

1.Ko`phad ko`rinishida yozing: $(x + y)^{3}$
- A) $x^{3} + 3 x^{2} y + 3 x y^{2} + y^{3}$
- B) $x^{3} + 3 x^{2} y - 3 x y^{2} + y^{3}$
- C) $x^{3} + 3 x^{2} y^{2} + 3 x^{2} y^{2} + y^{3}$
- D) $x^{3} + 3 x^{2} y^{2} - 3 x^{2} y^{2} + y^{3}$
2.Ko`phad ko`rinishida yozing: $(x - y)^{3}$
- A) $x^{3} + 3 x^{2} y + 3 x y^{2} + y^{3}$
- B) $x^{3} - 3 x^{2} y + 3 x y^{2} - y^{3}$
- C) $x^{3} + 3 x^{2} y^{2} + 3 x^{2} y^{2} + y^{3}$
- D) $x^{3} + 3 x^{2} y^{2} - 3 x^{2} y^{2} + y^{3}$
3.Ko`phad ko`rinishida yozing: $(a - 1)^{3}$
- A) $a^{3} - 3 a^{2} + 3 a + 1$
- B) $a^{3} + 3 a^{2} + 3 a + 1$
- C) $a^{3} - 3 a^{2} + 3 a - 1$
- D) $a^{3} - 3 a^{2} - 3 a - 1$
4.Ko`phad ko`rinishida yozing: $(x^{2} + 5)^{3}$
- A) $x^{6} - 15 x^{4} + 75 x^{2} + 125$
- B) $x^{6} + 15 x^{2} + 75 x^{4} + 125$
- C) $x^{6} + 15 x^{2} + 75 x^{2} + 125$
- D) $x^{6} + 15 x^{4} + 75 x^{2} + 125$
5.Ko`phad ko`rinishida yozing: $(0, 2 a - 0, 5 b)^{3}$
- A) $0, 008 a^{3} - 0, 06 a^{2} b + 0, 15 a b^{2} - 0, 125 b^{3}$
- B) $0, 008 a^{3} + 0, 6 a^{2} b + 0, 15 a b^{2} + 0, 125 b^{3}$
- C) $0, 008 a^{3} - 0, 6 ab + 0, 15 ab - 0, 125 b^{3}$
- D) $0, 008 a^{3} + 0, 6 a^{2} b - 0, 15 a b^{2} - 0, 125 b^{3}$
6.Ko`phad ko`rinishida yozing: $(3 a^{2} - \frac{1}{3} a)^{3}$
- A) $9 a^{6} - 9 a^{5} + a^{4} - \frac{1}{27} a^{3}$
- B) $27 a^{6} - 9 a^{5} + a^{4} - \frac{1}{27} a^{3}$
- C) $27 a^{6} + 9 a^{5} + a^{4} - \frac{1}{27} a^{3}$
- D) $27 a^{6} - 9 a^{5} + a^{4} + \frac{1}{27} a^{3}$
7.Ko`phadning kubi shaklida yozing: $8 c^{9} (a + b)^{3}$
- A) $(a c^{3} + b c^{3})^{3}$
- B) $(2 a c^{3} - 2 b c^{3})^{3}$
- C) $(2 a c^{3} + 2 b c^{3})^{3}$
- D) $(8 a c^{3} + 8 b c^{3})^{3}$
8.Ko‘phad ko‘rinishida yozing: (2x+y $)^{3}$
- A)8 $x^{3}$ +12 $x^{2}$ y+6x $y^{2}$ + $y^{3}$
- B)8 $x^{3}$ +6 $x^{2}$ y+12x $y^{2}$ + $y^{3}$
- C)8 $x^{3}$ +12 $x^{2}$ y+12x $y^{2}$ + $y^{3}$
- D)8 $x^{3}$ +12 $x^{2}$ y+6x $y^{2}$ - $y^{3}$
9.Ko‘phad ko‘rinishida yozing: (x+2y $)^{3}$
- A) $x^{3}$ +6 $x^{2}$ y+12x $y^{2}$ +8 $y^{3}$
- B) $x^{3}$ +3 $x^{2}$ y+12x $y^{2}$ +8 $y^{3}$
- C) $x^{3}$ +6 $x^{2}$ y+6x $y^{2}$ +8 $y^{3}$
- D) $x^{3}$ +6 $x^{2}$ y+12x $y^{2}$ +4 $y^{3}$
10.Ko‘phad ko‘rinishida yozing: (3x+y $)^{3}$
- A)27 $x^{3}$ +27 $x^{2}$ y+9x $y^{2}$ + $y^{3}$
- B)27 $x^{3}$ +9 $x^{2}$ y+27x $y^{2}$ + $y^{3}$
- C)27 $x^{3}$ +27 $x^{2}$ y+9x $y^{2}$ +3 $y^{3}$
- D)27 $x^{3}$ +27 $x^{2}$ y+27x $y^{2}$ + $y^{3}$

«(a+b) kubi» bo'yicha barcha 42 ta savolni javoblari bilan oling: Test Generator ularni variantlarga bo'ladi, DTM titulida chop etadi va javob varaqalarini rasm orqali tekshiradi.

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(a+b) kubi — 7-sinf Algebra test savollari

7-sinf Algebra: boshqa mavzular

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