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Multiplicação e Divisão com polinomios

Authored by Lilian Esquinelato

Mathematics

8th Grade

Used 6+ times

Multiplicação e Divisão com polinomios
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6 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 3m2(6m2+2m4)3m^2⋅(6m^2+2m-4)  

 18m4+6m312m218m^4+6m^3-12m^2  

 18m2+6m512m18m^2+6m^5-12m  

 6m4+18m332m6m^4+18m^3-3^2m  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (a+b).(a+b)\left(a+b\right).\left(a+b\right)   

 a2+2ab+b2a^2+2ab+b^2  

 a2+b2a^2+b^2  

 a2+ab+b2a^2+ab+b^2  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(a+2b).(a+2b)

a2+4ab+4b2a^2+4ab+4b^2

a2+2ab+4b2a^2+2ab+4b^2

a2+4ab+2b2a^2+4ab+2b^2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (9x6y3z+6x5y2z212x4y3) : 3x4y2\left(9x^6y^3z+6x^5y^2z^2-12x^4y^3\right)\ :\ 3x^4y^2  

 3 x2 y z+2 x z2 4 y3\ x^2\ y\ z+2\ x\ z^{2\ }-4\ y  

 3 x2 y2 z+2 x z2 4 y23\ x^2\ y^2\ z+2\ x\ z^{2\ }-4\ y^2   3 x2 y z2 x z2 + 4 y3\ x^2\ y\ z-2\ x\ z^{2\ }+\ 4\ y  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (18k4r5  12k6r8s3) : 6k2 r4\left(18k^4r^5\ -\ 12k^6r^8s^3\right)\ :\ 6k^2\ r^4  

 3k2r  2 k4 r4 s33k^2r\ -\ 2\ k^4\ r^4\ s^3  

 3 k2  k2 r43\ k^2\ -\ k^{2\ }r^4  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (15x4y3 + 7x8y4) : 7x4y2\left(-15x^4y^3\ +\ 7x^8y^4\right)\ :\ 7x^4y^2  

 157y + x4y2-\frac{15}{7}^y\ +\ x^4y^2  

 157y 7 x4y2\frac{15}{7}^y\ -7\ x^4y^2  

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