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Ejercitación: Binomio con un término común y cubo de binomio

Authored by VANESA RODRIGUEZ

Mathematics

7th - 8th Grade

15 Questions

Used 13+ times

Ejercitación: Binomio con un término común y cubo de binomio
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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (5x7)(5x2)=\left(5x-7\right)\left(5x-2\right)=  

 25x2  45x + 1425x^2\ -\ 45x\ +\ 14  

 25x2  45x  1425x^2\ -\ 45x\ -\ 14  

 25x2  48x + 1425x^2\ -\ 48x\ +\ 14  

 25x3 45x + 1425x^{3\ }-45x\ +\ 14  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (x+7)(x+4)=\left(x+7\right)\left(x+4\right)=  

 x2 + 11x + 28x^2\ +\ 11x\ +\ 28  

 x2 + 8x + 7x^2\ +\ 8x\ +\ 7  

 x2 + 15x + 56x^2\ +\ 15x\ +\ 56  

 x2 + 6x + 5x^2\ +\ 6x\ +\ 5  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (x + 6)(x + 3)=\left(x\ +\ 6\right)\left(x\ +\ 3\right)=  

 x2 + 9x  18x^2\ +\ 9x\ -\ 18  

 x2 + 3x + 9x^2\ +\ 3x\ +\ 9  

 x2 + 9x + 18x^2\ +\ 9x\ +\ 18  

 x2 + 18x + 9x^2\ +\ 18x\ +\ 9  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (m+7)(m6)=\left(m+7\right)\left(m-6\right)=  

 m2  m  42m^2\ -\ m\ -\ 42  

 m2  42m + 1m^2\ -\ 42m\ +\ 1  

 m2 + m  42m^2\ +\ m\ -\ 42  

 m2 + 13m + 1m^2\ +\ 13m\ +\ 1  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (x 4)(x 6)=\left(x\ -4\right)\left(x\ -6\right)=  

 x2  10x  24x^2\ -\ 10x\ -\ 24  

 x2  10x +24x^2\ -\ 10x\ +24  

 x2 + 10x 24x^2\ +\ 10x\ -24  

 x2  24x  10x^2\ -\ 24x\ -\ 10  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (9a  4)(9a + 11)=\left(9a\ -\ 4\right)\left(9a\ +\ 11\right)=  

 18a2 + 7a  4418a^2\ +\ 7a\ -\ 44  

 81a2 + 7a  4481a^2\ +\ 7a\ -\ 44  

 81a2  63a  4481a^2\ -\ 63a\ -\ 44  

 81a2 + 63a 4481a^2\ +\ 63a\ -44  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (a 7)(a + 12)=\left(a-\ 7\right)\left(a\ +\ 12\right)=  

 a2  5a + 84a^2\ -\ 5a\ +\ 84  

 a2 + 5a + 84a^2\ +\ 5a\ +\ 84  

 a2  84a +5a^2\ -\ 84a\ +5  

 a2 + 5a  84a^2\ +\ 5a\ -\ 84  

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