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Ejercitación: Cuadrado de binomio y suma por su diferencia

Authored by VANESA RODRIGUEZ

Mathematics

7th - 8th Grade

Used 19+ times

Ejercitación: Cuadrado de binomio y suma por su diferencia
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15 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (x  3)2=\left(x\ -\ 3\right)^2=  

 x2  9x^2\ -\ 9  

 x2 +6x + 9x^2\ +6x\ +\ 9  

 x2   6x + 9x^2\ \ -\ 6x\ +\ 9  

 x2  6x  9x^2\ -\ 6x\ -\ 9  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (4x  4)2=\left(4x\ -\ 4\right)^2=  

 16x2  32x +1616x^2\ -\ 32x\ +16  

 16x2 + 32x 16-16x^2\ +\ 32x\ -16  

 16x2 + 32x 1616x^2\ +\ 32x\ -16  

 16x2  32 x16x^2\ -\ 32\ -x  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (8x  7)2=\left(8x\ -\ 7\right)^2=  

 64x2  15x + 4964x^2\ -\ 15x\ +\ 49  

 64x2  112 + 4964x^2\ -\ 112\ +\ 49  

 64x2  112x + 4964x^{2\ }-\ 112x\ +\ 49  

 64x2  4964x^2\ -\ 49  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (2x  12)2 =\left(2x\ -\ 12\right)^2\ =  

 4x2 + 48x + 1444x^2\ +\ 48x\ +\ 144  

 2x2  48x + 1442x^2\ -\ 48x\ +\ 144  

 2x2  24x + 1442x^2\ -\ 24x\ +\ 144  

 4x2  48x + 1444x^2\ -\ 48x\ +\ 144  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (3 + ab)(3  ab)=\left(3\ +\ ab\right)\left(3\ -\ ab\right)=  

 9 + ab29\ +\ ab^2  

 9  ab2-9\ -\ ab^2  

 9  6 + ab29\ -\ 6\ +\ ab^2  

 9  a2b29\ -\ a^2b^2  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (11x  6)(11x + 6)=\left(11x\ -\ 6\right)\left(11x\ +\ 6\right)=  

 121x3  30121x^3\ -\ 30  

 121x2  36121x^2\ -\ 36  

 121x2 + 36121x^2\ +\ 36  

 121x2  36-121x^2\ -\ 36  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (4x  12w)2 =\left(4x\ -\ 12w\right)^2\ =  

 16x2  96xw + 12w216x^2\ -\ 96xw\ +\ 12w^2  

 16x2  48xw + 144w216x^2\ -\ 48xw\ +\ 144w^2  

 16x2  96xw + 144w216x^2\ -\ 96xw\ +\ 144w^2  

 16x2 + 96xw  + 144w216x^2\ +\ 96xw\ \ +\ 144w^2  

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