a² − b² — kvadratlar ayirmasi — 7-sinf Algebra test savollari

Bu mavzuda 48 ta test savoli bor. Quyida 10 ta namuna — to'liq test va javoblar kaliti ro'yxatdan o'tgandan keyin ochiladi.

1.Ko`paytiring: $(y - 4) (y + 4)$
- A) $y^{2} - 16$
- B) $y^{2} + 16$
- C) $y^{2} - 4$
- D) $y^{2} + 4$
2.Ko`paytmaniko`phad ko`rinishida yozing: $(x^{2} - 5) (x^{2} + 5)$
- A) $x^{4} + 25$
- B) $x^{4} - 25$
- C) $x^{2} - 25$
- D) $x^{2} + 25$
3.Soddalashtiring: $(x - y) (x + y) (x^{2} + y^{2})$
- A) $x^{2} - y^{2}$
- B) $x^{4} + y^{4}$
- C) $x^{4} - y^{4}$
- D) $x^{2} + y^{2}$
4.Ifodani soddalashtiring $(4 x - a) (4 x + a) - 4 x (x - a)$
- A) $16 x^{2} - a^{2} - 4 x a$
- B) $16 x^{2} - a^{2} + 4 x a$
- C) $12 x^{2} - a^{2} - 4 x a$
- D) $12 x^{2} - a^{2} + 4 x a$
5.Ifodani ko`paytma ko`rinishida yozing: $(5 y - 6)^{2} - 81$
- A) $(5 y + 3) (5 y - 15)$
- B) $(5 y - 3) (5 y - 15)$
- C) $(5 y + 3) (5 y + 15)$
- D) $(5 y + 3) (5 y - 9)$
6.Hisoblang: $29, 8 ∙ 30, 2$
- A)899,99
- B)899,96
- C)896,96
- D)999,96
7.Kasirni qiymatini toping: $\frac{105 ^{2} - 35 ^{2}}{161 ^{2} - 21 ^{2}}$
- A) $\frac{7}{16}$
- B) $\frac{7}{13}$
- C) $\frac{5}{13}$
- D) $\frac{5}{16}$
8.Tenglamani yeching: $9 x^{2} - 4 = 0$
- A) $x = - \frac{4}{9} x = \frac{4}{9}$
- B) $x = - \frac{2}{3} x = - \frac{2}{3}$
- C) $x = \frac{3}{2} x = - \frac{3}{2}$
- D) $x = \frac{2}{3} x = - \frac{2}{3}$
9.Ko`paytiring: (2y-5)(2y+5)
- A)4 $y^{2}$ -25
- B)4 $y^{2}$ +25
- C)2 $y^{2}$ -25
- D)2 $y^{2}$ +25
10.Ko`paytiring: (3y-7)(3y+7)
- A)9 $y^{2}$ +49
- B)9 $y^{2}$ -49
- C)3 $y^{2}$ -49
- D)3 $y^{2}$ +49

«a² − b² — kvadratlar ayirmasi» bo'yicha barcha 48 ta savolni javoblari bilan oling: Test Generator ularni variantlarga bo'ladi, DTM titulida chop etadi va javob varaqalarini rasm orqali tekshiradi.

Bepul sinab ko'rish

a² − b² — kvadratlar ayirmasi — 7-sinf Algebra test savollari

7-sinf Algebra: boshqa mavzular

Birinchi testingizni bugun tayyorlang