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Suma por la diferencia

Authored by Dayana Encalada

Mathematics

9th Grade

CCSS covered

Used 17+ times

Suma por la diferencia
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(x+ 4)(x - 4)=

x2 - 16

x2 - 8

(x-4)2

x2 - 8x + 16

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (x+9)(x9)=\left(x+9\right)\left(x-9\right)=  

 x218x+81x^2-18x+81  

 x281x^2-81  

 x2+18x81x^2+18x-81  

 x2+81x^2+81  

Tags

CCSS.HSA.APR.C.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (3x+5)(3x5)=\left(3x+5\right)\left(3x-5\right)=  

 9x109x-10  

 9x²+259x²+25  

 9x2259x^2-25  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

El nombre del producto notable que corresponde al ejercicio:

Cuadrado de la suma de dos términos.

Cubo de la suma de dos términos

Suma por la diferencia de un binomio

Cuadrado de la diferencia de dos términos

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

x-2

x22x^2-2

x21x^2-1

x2+1x^2+1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (a+b)(ab)=\left(a+b\right)\left(a-b\right)=  

 a2+2ab+b2a^2+2ab+b^2  

 a22ab+b2a^2-2ab+b^2  

 a2b2a^2-b^2  

 a2+b2a^2+b^2  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (a2+5b3)(a25b3)\left(a^2+5b^3\right)·\left(a^2-5b^3\right)  

 a25ba⁴-25b⁶  

 a+25ba⁴+25b⁶  

 2a²25b2a²-25b⁶  

 a10ab+25ba⁴-10ab+25b⁶  

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