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ScomposizioniEquazioniFratte

Authored by Marco Quaglia

Mathematics

10th Grade

Used 2+ times

ScomposizioniEquazioniFratte
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35 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 ax+2bx +ay+2by =ax+2bx\ +ay+2by\ =  

 (a+2x)(b+2y)\left(a+2x\right)\left(b+2y\right)  

 (a+b)(2x+y)(a+b)(2x+y)  

 (ax+ay)[2b(x+y)](ax+ay)[2b(x+y)]  

 (a+2b)(x+y)(a+2b)(x+y)  

 a(x+2b+y+2by)a(x+2b+y+2by)  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Qual è la corretta scomposizione in fattori di (49x2− 94y2)\left(\frac{4}{9}x^2−\ \frac{9}{4}y^2\right)  

 (49x − 94y)(49x+94y)\left(\frac{4}{9}x\ −\ \frac{9}{4}y\right)\left(\frac{4}{9}x+\frac{9}{4}y\right)  

 49(x−y)(x+y)\frac{4}{9}(x−y)(x+y)  

 (23x − 32y)(23x+32y)\left(\frac{2}{3}x\ −\ \frac{3}{2}y\right)\left(\frac{2}{3}x+\frac{3}{2}y\right)  

 14(2x+3x)(2x−3y)\frac{1}{4}(2x+3x)(2x−3y)  

 (23x− 32y)2 \left(\frac{2}{3}x−\ \frac{3}{2}y\right)^{2\ }  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Scomponi in fattori

 x3−xa2x^3-xa^2  

 (x2−a)(x2+a)(x^2−a)(x^2+a)  

 x2(x−a)(x+a)x^2(x−a)(x+a)  

 x(x−a)(x+a)x(x−a)(x+a)  

 x(x2+a2)x\left(x^2+a^2\right)  

 (a2−x2)(a+x)\left(a^2−x^2\right)\left(a+x\right)  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x3+8=x^3+8=  

 (x−2)(x2−22)(x-2)(x^2-2^2)  

 (x+2)(x2+4x+4)(x+2)(x^2+4x+4)  

 (x+2)(x2−2x+4)(x+2)(x^2-2x+4)  

 (x+2)3(x+2)^3  

Non si può scomporre

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 x2 −x − 42x^2\ -x\ -\ 42  

 (x+7)(x−6)\left(x+7\right)\left(x-6\right)  

 (x−7)(x+6)\left(x-7\right)\left(x+6\right)  

 (x+7)(x+6)\left(x+7\right)\left(x+6\right)  

 (x−7)(x−6)\left(x-7\right)\left(x-6\right)  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

qual è la scomposizione del trinomio    x2−2x−8

(x−2)(x+4)
(x−2)(x−4)
(x+2)(x−4)
(x+2)(x+4)

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Qual è la scomposizione completa di 16x4-81

(4x2+9)(4x2+9)

(2x+3)2(2x-3)2

(2x+3)(2x-3)(4x2+9)

(2x+3)(2x-3)(4x2-9)

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