VYTÝKÁNÍ

VYTÝKÁNÍ

8th Grade

10 Qs

quiz-placeholder

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VYTÝKÁNÍ

VYTÝKÁNÍ

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

Hana Hedbávná

Used 27+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 8x2+20x324x4=8x^2+20x^3-24x^4=  

 4x2(2+5x6x2)4x^2\left(2+5x-6x^2\right)  

 8x2(1+20x3x2)8x^2\left(1+20x-3x^2\right)  

 4x2(2+2x3x2)4x^2\left(2+2x-3x^2\right)  

 2x2(4+10x11x2)2x^2\left(4+10x-11x^2\right)  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Určete největšího společného dělitele všech výrazů mnohočlenu

 12a515a312a^5-15a^3  

 3a33a^3  

 4a44a^4  

 5a55a^5  

 60a360a^3  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 48a24b36c=48a-24b-36c=  

 6(6a4b8c)6\left(6a-4b-8c\right)  

 24(2ab3c)24\left(2a-b-3c\right)  

 12(4a2b3c)12\left(4a-2b-3c\right)  

 12(4a3b2c)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

 m2n34mn=m^2n^3-4mn=  

 mn2(mn4n)mn^2\left(mn-4n\right)  

 mn(mn24mn)mn\left(mn^2-4mn\right)  

 mn(mn24)mn\left(mn^2-4\right)  

 m2n(n24)m^2n\left(n^2-4\right)  

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 26ab130b=26ab-130b=  

 13b(2a10)13b\left(2a-10\right)  

 26(ab5b)26\left(ab-5b\right)  

 26b(a5)26b\left(a-5\right)  

 13(10b2ab)-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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