Search Header Logo

Sčítání (odčítání) výrazů 2

Authored by Jan Kučera

Mathematics

8th Grade

Used 11+ times

Sčítání (odčítání) výrazů 2
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

10 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Zjednodušte výrazy


Začněte od nejvyšší mocniny.
 2+4a23a21+3a+a32a=2+4a^2-3a^2-1+3a+a^3-2a=  

 a3+a2+a+1a^3+a^2+a+1  

 3a3+7a233a^3+7a^2-3  

 a3+7a2+5a1a^3+7a^2+5a-1  

 2a3a2a12a^3-a^2-a-1  

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 5t+11t2+4t8+3t2=-5t+11-t^2+4t-8+3t^2=  

 2t2t+32t^2-t+3  

 4t29t34t^2-9t-3  

 2t2+3t6-2t^2+3t-6  

 t2+12t22t^2+12t-22  

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 4x22x3+x25x3x2+4x32=4x^2-2x^3+x^2-5x^3-x^2+4x^3-2=  

 3x3+4x22-3x^3+4x^2-2  

 6x32x2+2x26x^3-2x^2+2x-2  

 3x34x23x^3-4x-2  

 4x2+2x24x^2+2x-2  

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 2ab3b+4ab2b2+5b+3b2+a=2ab-3b+4ab-2b^2+5b+3b^2+a=  

 b2+2b+6ab+ab^2+2b+6ab+a  

 6b2+b4ab+a6b^2+b-4ab+a  

 3b22b6aba3b^2-2b-6ab-a  

 2b2+b+2aba2b^2+b+2ab-a  

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 (6x)+2x+(3x)+(+10x)=\left(-6x\right)+2x+\left(-3x\right)+\left(+10x\right)=  

 15x15x  

 3x-3x  

 3x3x  

 11x11x  

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 (+a)+(7a)+(4a)+(+3a)=\left(+a\right)+\left(-7a\right)+\left(-4a\right)+\left(+3a\right)=  

 7a-7a  

 7a7a  

 5a5a  

 15a15a  

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

 2a(ab+c)=2a-\left(a-b+c\right)=  

 3ab+c3a-b+c  

 ab+ca-b+c  

 a+b+ca+b+c  

 a+bca+b-c  

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?