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Productos notables

Authored by Jesus Ordeñana

Mathematics

9th Grade

Used 3+ times

Productos notables
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7 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

El producto 5m3(6m38m2)=5m^3\left(6m^3-8m^2\right)=  

 30m640m530m^6-40m^5  

 30m940m630m^9-40m^6  

 11m613m511m^6-13m^5  

 11m913m611m^9-13m^6  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

El producto (a+9)(a8)=\left(a+9\right)\left(a-8\right)=  

 a2+17a72a^2+17a-72  

 a217a72a^2-17a-72  

 a2a72a^2-a-72  

 a2+a72a^2+a-72  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

 9x2+259x^2+25  

 9x2259x^2-25  

 9x2+16x+259x^2+16x+25  

 9x216x259x^2-16x-25  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (x7)2=\left(x-7\right)^2=  

 x214x+49x^2-14x+49  

 x2+14x+49x^2+14x+49  

 x249x^2-49  

 x2+49x^2+49  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

El producto (x6)3=\left(x-6\right)^3=  

 x318x2+108x216x^3-18x^2+108x-216  

 x3+18x2+108x+216x^3+18x^2+108x+216  

 x318x2108x216x^3-18x^2-108x-216  

 x3+18x2108x+216x^3+18x^2-108x+216  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

El producto de (2x1)(3x+1)=\left(2x-1\right)\left(3x+1\right)=  

 6x2+x16x^2+x-1  

 6x2+x+16x^2+x+1  

 6x2x16x^2-x-1  

 6x2x+16x^2-x+1  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

El producto de (a+2b3c)2=\left(a+2b-3c\right)^2=  

 a2+4b2+9c2+4ab6ac12bca^2+4b^2+9c^2+4ab-6ac-12bc  

 a2+4b2+9c2+4ab+6ac12bca^2+4b^2+9c^2+4ab+6ac-12bc  

 a2+4b2+9c24ab6ac+12bca^2+4b^2+9c^2-4ab-6ac+12bc  

 a2+4b2+9c24ab6ac12bca^2+4b^2+9c^2-4ab-6ac-12bc  

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