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VYTÝKÁNÍ

Authored by Hana Hedbávná

Mathematics

8th Grade

Used 27+ times

VYTÝKÁNÍ
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 8x2+20x3−24x4=8x^2+20x^3-24x^4=  

 4x2(2+5x−6x2)4x^2\left(2+5x-6x^2\right)  

 8x2(1+20x−3x2)8x^2\left(1+20x-3x^2\right)  

 4x2(2+2x−3x2)4x^2\left(2+2x-3x^2\right)  

 2x2(4+10x−11x2)2x^2\left(4+10x-11x^2\right)  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Určete největšího společného dělitele všech výrazů mnohočlenu

 12a5−15a312a^5-15a^3  

 3a33a^3  

 4a44a^4  

 5a55a^5  

 60a360a^3  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 48a−24b−36c=48a-24b-36c=  

 6(6a−4b−8c)6\left(6a-4b-8c\right)  

 24(2a−b−3c)24\left(2a-b-3c\right)  

 12(4a−2b−3c)12\left(4a-2b-3c\right)  

 12(4a−3b−2c)12\left(4a-3b-2c\right)  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 5(m+n)+m(m+n)=5\left(m+n\right)+m\left(m+n\right)=  

(5+m)(5+n)

(5+n)(5+m)

(m+n)(5+n)

(m+n)(5+m)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 m2n3−4mn=m^2n^3-4mn=  

 mn2(mn−4n)mn^2\left(mn-4n\right)  

 mn(mn2−4mn)mn\left(mn^2-4mn\right)  

 mn(mn2−4)mn\left(mn^2-4\right)  

 m2n(n2−4)m^2n\left(n^2-4\right)  

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 26ab−130b=26ab-130b=  

 13b(2a−10)13b\left(2a-10\right)  

 26(ab−5b)26\left(ab-5b\right)  

 26b(a−5)26b\left(a-5\right)  

 −13(10b−2ab)-13\left(10b-2ab\right)  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Určete největšího společného dělitele výrazů:

 28a2b5c3, 42a3b4c328a^2b^5c^3,\ 42a^3b^4c^3  

 7a3b5c37a^3b^5c^3  

 14a2b4c314a^2b^4c^3   

 28a2b4c328a^2b^4c^3  

 28abc28abc  

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