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4ESO: Temes 3 i 4. Polinomis i equacions

Authored by Juan Manuel Moreno Sánchez

Mathematics

10th Grade

Used 10+ times

4ESO: Temes 3 i 4. Polinomis i equacions
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34 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

La suma de  x2+3x 1-x^2+3x\ -1   i de  x2+x +1x^2+x\ +1   és

 2x2+4x2x^2+4x  

 4x+24x+2  

 4x4x  

 x2+3x2-x^2+3x-2  

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

El producte de  x2 1-x^2\ -1   i de  x2+xx^2+x   és

 x4+x3+x2+x+1x^4+x^3+x^2+x+1  

 x4x3x2x1-x^4-x^3-x^2-x-1  

 x4+x3+x2+x+1x^4+x^3+x^2+x+1  

 x4x3x2x-x^4-x^3-x^2-x  

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Al polinomi  10x2y5xy2+25x2+10y210x^2y-5xy^2+25x^2+10y^2   podem estreure factor comú de

5x

5

5xy

 5x2y25x^2y^2  

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Al polinomi  10x2y5xy2+25x2+10xy10x^2y-5xy^2+25x^2+10xy   podem estreure factor comú de

5x

5

5xy

 5x2y25x^2y^2  

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Al polinomi  10x2y5xy2+10xy10x^2y-5xy^2+10xy   podem estreure factor comú de

5x

5

5xy

 5x2y25x^2y^2  

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

La següent potència  (x+1)3\left(-x+1\right)^3   val 

 x3+3x23x+1-x^3+3x^2-3x+1  

 x33x2+3x1x^3-3x^2+3x-1  

 x3+1-x^3+1  

 x31x^3-1  

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Amb igualtats notables, la següent expressió  (2x+4)2\left(2x+4\right)^2   val 

 4x2+16x +164x^2+16x\ +16  

 4x216x +164x^2-16x\ +16  

 4x2164x^2-16  

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