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Vzorce 1

Authored by Jan Kučera

Mathematics

8th Grade

Used 26+ times

Vzorce 1
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

Upravte:
 (m+n)2=\left(m+n\right)^2=  

 m2+2mn+n2m^2+2mn+n^2  

 m2+n2m^2+n^2  

 m2+mn+n2m^2+mn+n^2  

 m22mn+n2m^2-2mn+n^2  

2.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

 (yz)2=\left(y-z\right)^2=   

 y2z2y^2-z^2  

 y22yz+z2y^2-2yz+z^2  

 y2yz+z2y^2-yz+z^2  

 y2+2yzz2y^2+2yz-z^2  

3.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

 (a+2)2=\left(a+2\right)^2=  

 a2+4a^2+4  

 a2+8a^2+8  

 a2+4a+4a^2+4a+4  

 a2+2a^2+2  

4.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

 (d5)2=\left(d-5\right)^2=  

 d225d^2-25  

 d2+10d25d^2+10d-25  

 d25dd^2-5d  

 d210d+25d^2-10d+25  

5.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

 (2x+3)2=\left(2x+3\right)^2=  

 4x2+12x+94x^2+12x+9  

 4x2+94x^2+9  

 4x2+124x^2+12  

 4x2+4x+94x^2+4x+9  

6.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

 (3x2)2=\left(3x-2\right)^2=  

 9x249x^2-4  

 9x212x+49x^2-12x+4  

 9x26x+49x^2-6x+4  

 9x2+12x49x^2+12x-4  

7.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

 (a+b)2=\left(-a+b\right)^2=  

 a2+2ab+b2a^2+2ab+b^2  

 a2b2a^2-b^2  

 a22ab+b2a^2-2ab+b^2  

 a2 2ab+b2-a^2\ -2ab+b^2  

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