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

Bu mavzuda 72 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: $(k + 8)^{2}$
- A) $k^{2} + 16 k + 64$
- B) $k^{2} - 16 k + 64$
- C) $k^{2} + 16 k + 16$
- D) $k^{2} + 16 k - 64$
2.Ko`phad ko`rinishida yozing: $(10 + 8 x)^{2}$
- A) $10 + 160 x + 64 x^{2}$
- B) $100 + 160 x + 64 x^{2}$
- C) $100 - 160 x + 64 x^{2}$
- D) $100 + 160 x - 64 x^{2}$
3.Ko`phad ko`rinishida yozing: $(\frac{1}{3} x - 3 y)^{2}$
- A) $9 x^{2} - 2 x y + 9 y^{2}$
- B) $\frac{1}{9} x^{2} - 2 x y + 9 y^{2}$
- C) $\frac{1}{9} x^{2} + 2 x y + 9 y^{2}$
- D) $9 x^{2} + 2 x y + 9 y^{2}$
4.Ko`phad ko`rinishida yozing: $(- m - 10)^{2}$
- A) $- m^{2} - 20 m - 100$
- B) $m^{2} - 20 m + 100$
- C) $m^{2} + 20 m + 100$
- D) $- m^{2} + 20 m - 100$
5.Ko`phadga aylantiring: $(7 - y^{3})^{2}$
- A) $49 - 7 y^{3} + y^{6}$
- B) $49 - 14 y^{3} - y^{6}$
- C) $49 + 14 y^{3} + y^{6}$
- D) $49 - 14 y^{3} + y^{6}$
6.Ko`phadga aylantiring: $(15 x - x^{3})^{2}$
- A) $225 x^{2} - 30 x^{4} + x^{6}$
- B) $225 x^{2} - 30 x^{3} + x^{6}$
- C) $225 x^{2} + 30 x^{4} + x^{6}$
- D) $25 x^{2} - 30 x^{4} + x^{6}$
7.Ifodani soddalashtiring: $b^{2} + 49 - (b - 7)^{2}$
- A)7b
- B)14b
- C)-14b
- D)-7b
8.Ifodani soddalashtiring: $(2 a + 5)^{2} - 5 (4 a + 5)$
- A) $- 4 a^{2}$
- B) $4 a^{2} - 50$
- C) $4 a^{2}$
- D) $4 a^{2} + 50$
9.Ifodani soddalashtiring va $x = - 3, 5$ bo‘lgandagi qiymatini toping: $(2 x + 0, 5)^{2} - (2 x - 0, 5)^{2}$
- A)-14
- B)0
- C)12
- D)14
10.Ifodani qiymatini toping $y^{2} - 2 y + 1$ bunda $y = 101$
- A)10000
- B)11000
- C)1000
- D)1000000

«(a+b) kvadrati» bo'yicha barcha 72 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) kvadrati — 7-sinf Algebra test savollari

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