Алгебра 7 класс итог

Алгебра 7 класс итог

6th - 8th Grade

23 Qs

quiz-placeholder

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Алгебра 7 класс итог

Алгебра 7 класс итог

Assessment

Quiz

Mathematics

6th - 8th Grade

Medium

Created by

Алсу Хусаинова

Used 88+ times

FREE Resource

23 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Выберите НЕВЕРНОЕ равенство:

a2b2=(ab)(a+b)a^2-b^2=\left(a-b\right)\left(a+b\right)

(a+b)2=a2+2ab+b2\left(a+b\right)^2=a^2+2ab+b^2

(ab)2=a22ab+b2\left(a-b\right)^2=a^2-2ab+b^2

a2+b2=(a+b)2a^2+b^2=\left(a+b\right)^2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Вычислите

 102-10^2  

 100-100  

 100100  

 20-20  

 102102  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Найдите

 (17a6)2\left(\frac{1}{7}a^6\right)^2  

 17a12\frac{1}{7}a^{12}  

 149a12\frac{1}{49}a^{12}  

 142a12\frac{1}{42}a^{12}  

 49a849a^8  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Выполните умножение

 (y9)(y+9)\left(y-9\right)\left(y+9\right)  

 y2+81y^2+81  

 y81y-81  

 y281y^2-81  

 y2+92y^2+9^2  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Представьте в виде многочлена

 (b+9)2\left(b+9\right)^2  

 b2+81b^2+81  

 b2+18b+81b^2+18b+81  

 b218b+81b^2-18b+81  

 (b9)2\left(b-9\right)^2  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Корни уравнения

 y225=0y^2-25=0  

 5-5  

 0   и   250\ \ \ и\ \ \ 25  

 нет корнейнет\ корней  

 5   и   55\ \ \ и\ \ \ -5  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt


Представьте в виде квадрата двучлена
 p2+14p+49p^2+14p+49  


 (p+7)2\left(p+7\right)^2  

 (p7)2\left(p-7\right)^2  

 (p+49)2\left(p+49\right)^2  

 (p7p)2\left(p-7p\right)^2  

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