Prodotti notevoli

Prodotti notevoli

KG - Professional Development

19 Qs

quiz-placeholder

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Prodotti notevoli

Prodotti notevoli

Assessment

Quiz

Mathematics

KG - Professional Development

Hard

Created by

caterina tappi

Used 1K+ times

FREE Resource

19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (x4)2=\left(x-4\right)^2=  

 x216x^2-16  

 x2+16x^2+16  

 x2168xx^2-16-8x  

 x2+168xx^2+16-8x  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (y+2)3=\left(y+2\right)^3=  

 y3+8y^3+8  

 y2+4+4yy^2+4+4y  

 y3+8+6y2+12yy^3+8+6y^2+12y  

 y3+8+12y2+6yy^3+8+12y^2+6y  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (x4yz)(x+4yz)=\left(x-4yz\right)\cdot\left(x+4yz\right)=  

 x24y2z2x^2-4y^2z^2  

 x2+4xyz4xyz8y2z2x^2+4xyz-4xyz-8y^2z^2  

 x2+4y2z2x^2+4y^2z^2  

 x216y2z2x^2-16y^2z^2  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (2ts)(2ts)=\left(2t-s\right)\cdot\left(-2t-s\right)=  

Non è un prodotto notevole

 4t2s24t^2-s^2  

 s24t2s^2-4t^2  

 4t22st2st+s2-4t^2-2st-2st+s^2  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (abc+5d)2=\left(abc+5d\right)^2=  

 a2b2c2+25d2+10abcda^2b^2c^2+25d^2+10abcd  

 a2b2c2+25d210abcda^2b^2c^2+25d^2-10abcd  

 a2b2c2+25d+10abcda^2b^2c^2+25d^{ }+10abcd  

 a2b2c2+25d2a^2b^2c^2+25d^2  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (12x+13y)3=\left(\frac{1}{2}x+\frac{1}{3}y\right)^3=  

 18x3+127y3+14x2y+16xy2\frac{1}{8}x^3+\frac{1}{27}y^3+\frac{1}{4}x^2y+\frac{1}{6}xy^2  

 14x3+19y3+14x2y+16xy2\frac{1}{4}x^3+\frac{1}{9}y^3+\frac{1}{4}x^2y+\frac{1}{6}xy^2  

 18x3+127y3+112x2y+118xy2\frac{1}{8}x^3+\frac{1}{27}y^3+\frac{1}{12}x^2y+\frac{1}{18}xy^2  

 14x3+19y3\frac{1}{4}x^3+\frac{1}{9}y^3  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 (13a15b)2=\left(\frac{1}{3}a-\frac{1}{5}b\right)^2=  

 19a2+125b2215ab\frac{1}{9}a^2+\frac{1}{25}b^2-\frac{2}{15}ab  

 19a2+125b2115ab\frac{1}{9}a^2+\frac{1}{25}b^2-\frac{1}{15}ab  

 19a2+125b2+215ab\frac{1}{9}a^2+\frac{1}{25}b^2+\frac{2}{15}ab  

 19a2+125b2+115ab\frac{1}{9}a^2+\frac{1}{25}b^2+\frac{1}{15}ab  

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