SČÍTÁNÍ A ODČÍTÁNÍ VÝRAZŮ

SČÍTÁNÍ A ODČÍTÁNÍ VÝRAZŮ

8th Grade

10 Qs

quiz-placeholder

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SČÍTÁNÍ A ODČÍTÁNÍ VÝRAZŮ

SČÍTÁNÍ A ODČÍTÁNÍ VÝRAZŮ

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Medium

Created by

Hana Hedbávná

Used 4+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 2x+3x4x=2x+3x-4x=  

x

2x

-x

jiný výsledek

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 x25x+x25x=x^2-5x+x^2-5x=  

 2x210x2x^2-10x  

 10x-10x  

 x410xx^{4^{ }}-10x  

 2x2+10x2x^2+10x  

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 4x16x+5=4x-1-6x+5=  

 2x+4-2x+4  

 2x42x-4  

 2x+6-2x+6  

 10x610x-6  

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 7ab(8ab+9ab)=7ab-\left(8ab+9ab\right)=  

-10ab

8ab

10ab

jiný výsledek

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Urči hodnotu výrazu pro x=0

 5x225x^2-2  

-2

0

3

jiný výsledek

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 5x115x-11  

Urči hodnotu výrazu pro x=(-1)

-11

-6

-16

jiný výsledek

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 5a2(3a2)+(4a2)(+a2)=5a^2-\left(-3a^2\right)+\left(-4a^2\right)-\left(+a^2\right)=  

 3a23a^2  

 3a2-3a^2  

 5a25a^2  

jiný výsledek

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