ФСУ (повторение)

ФСУ (повторение)

7th Grade

13 Qs

quiz-placeholder

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ФСУ (повторение)

ФСУ (повторение)

Assessment

Quiz

Mathematics

7th Grade

Easy

Created by

Екатерина Почечун

Used 2+ times

FREE Resource

13 questions

Show all answers

1.

MATCH QUESTION

10 mins • 1 pt

Media Image

Сопоставьте название формулы с ее буквенной записью

Квадрат суммы

Квадрат разности

Разность квадратов

Куб суммы

Разность кубов

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

 Разложите на множители 49x2100y2Разложите\ на\ множители\ 49x^2-100y^2  


 (7x100y)2\left(7x-100y\right)^2  

 (7x10y)(7x+10y)\left(7x-10y\right)\left(7x+10y\right)  

 (7x10y)2\left(7x-10y\right)^2  

 (49x100y)(49x+100y)\left(49x-100y\right)\left(49x+100y\right)  

3.

MULTIPLE CHOICE QUESTION

1 min • 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

4.

MULTIPLE CHOICE QUESTION

1 min • 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

1 min • 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

1 min • 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

1 min • 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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