Vzorce 2

Vzorce 2

8th Grade

10 Qs

quiz-placeholder

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Vzorce 2

Vzorce 2

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Medium

Created by

Jan Kučera

Used 7+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

 (2ab)(2a+b)=\left(2a-b\right)\left(2a+b\right)=  Upravte:

 4a2b24a^2-b^2  

 4a2+b24a^2+b^2  

 4a2b4a-2b  

 2a2b22a^2-b^2  

2.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

 (7x5y)(7x+5y)\left(7x-5y\right)\left(7x+5y\right)  

 49x2+25y249x^2+25y^2  

 49x225y249x^2-25y^2  

 14x210y214x^2-10y^2  

 14x2+10y214x^2+10y^2  

3.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

 64u236v2=64u^2-36v^2=  

 (8u6v)(8u6v)\left(8u-6v\right)\left(8u-6v\right)  

 (8u26v2)(86)\left(8u^2-6v^2\right)\left(8-6\right)  

 (8u6v)(8u+6v)\left(8u-6v\right)\left(8u+6v\right)  

 (8u+6v)(8u+6v)\left(8u+6v\right)\left(8u+6v\right)  

4.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

 x24y2=x^2-4y^2=  

 (x+2y)(x+2y)\left(x+2y\right)\left(x+2y\right)  

 (x2y)(x2y)\left(x-2y\right)\left(x-2y\right)  

 (x+4)(xy2)\left(x+4\right)\left(x-y^2\right)  

 (x2y)(x+2y)\left(x-2y\right)\left(x+2y\right)  

5.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

 9a216z2=9a^2-16z^2=  

 (3a4z)(3a+4z)\left(3a-4z\right)\left(3a+4z\right)  

 (3a+4z)(3a+4z)\left(3a+4z\right)\left(3a+4z\right)  

 (3a4z)(3a4z)\left(3a-4z\right)\left(3a-4z\right)  

 (9a24z)(1+4z)\left(9a^2-4z\right)\left(1+4z\right)  

6.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

 25y216z2=25y^2-16z^2=  

 (5y4z)(5y+4z)\left(5y-4z\right)\left(5y+4z\right)  

 (5y+4z)(5y+4z)\left(5y+4z\right)\left(5y+4z\right)  

 (5y4z)(5y4z)\left(5y-4z\right)\left(5y-4z\right)  

 (25y4z)(y+4z)\left(25y-4z\right)\left(y+4z\right)  

7.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

 (a6b)(a+6b)=\left(a-6b\right)\left(a+6b\right)=  

 a2+36b2a^2+36b^2  

 a236b2a^2-36b^2  

 a236a^2-36  

 a26b2a^2-6b^2  

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