Productos Notables

Productos Notables

1st - 2nd Grade

11 Qs

quiz-placeholder

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Productos Notables

Productos Notables

Assessment

Quiz

Mathematics

1st - 2nd Grade

Medium

Created by

Anthony Suxe

Used 5+ times

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Si:  a+b=5a+b=\sqrt{5}   ab=1ab=1   . Calcular: E= a2+b2a^2+b^2  

1

2

3

-2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Si: m+n=5m+n=5  ; mn=2mn=2  



Calcular:  F=m3+n3F=m^3+n^3  

85

91

95

105

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Si: ab=2a-b=2  ; a3b3=30a^3-b^3=30  


Calcular: G=abG=ab  

1

 23\frac{2}{3}  

 113\frac{11}{3}  

 45\frac{4}{5}  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Efectuar:     E=(n6)(n20)(n13)2+50E=\left(n-6\right)\left(n-20\right)-\left(n-13\right)^2+50  

1

2

3

4

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Si: x+1x=7x+\frac{1}{x}=7  ; Calcular: B=x3+1x3B=x^3+\frac{1}{x^3}  

128

322

402

302

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Efectuar: M=(a+x)(ax)(a2ax+x2)(a2+ax+x2)M=\left(a+x\right)\left(a-x\right)\left(a^2-ax+x^2\right)\left(a^2+ax+x^2\right)  

 a2b2a^2-b^2  

ax

 a+xa+x  

 a6x6a^6-x^6  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Reducir: C=(xy)3+(yz)3+(zx)39(xy)(yz)(zx)C=\frac{\left(x-y\right)^3+\left(y-z\right)^3+\left(z-x\right)^3}{9\left(x-y\right)\left(y-z\right)\left(z-x\right)}  

3

 13\frac{1}{3}  

4

 14\frac{1}{4}  

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