Expressions rationnelles

Expressions rationnelles

10th - 12th Grade

20 Qs

quiz-placeholder

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Expressions rationnelles

Expressions rationnelles

Assessment

Quiz

Mathematics

10th - 12th Grade

Medium

Created by

Lucie Fortin

Used 25+ times

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20 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplifie les expressions rationnelles suivantes et considérant que le dénominateur est non-nul: (7x9)(3x+4)(12x2+16x)\frac{(7x-9)(3x+4)}{(12x^2+16x)}  

 21x2+x3612x2+16x\frac{21x^2+x-36}{12x^2+16x}  

 7x94x + 4\frac{7x-9}{4x\ +\ 4}  

 7x94x\frac{7x-9}{4x}  

Impossible de simplifier

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 Quels sont les restrictions de l'expression rationnelle suivante: (14x3+22x2+10x)(8x2+6x)\frac{(14x^3+22x^2+10x)}{(8x^2+6x)} 

 68-\frac{6}{8}  

 0 et 340\ et\ -\frac{3}{4}  

 0 et 340\ et\ \frac{3}{4}  

 3, 0 et 4-3,\ 0\ et\ 4  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplifie l'expression:  2x(2x+4)4x(x+2)\frac{2x\left(2x+4\right)}{4x\left(x+2\right)}  

 12\frac{1}{2}  

 (2x+4)2(x+2)\frac{\left(2x+4\right)}{2\left(x+2\right)}  

 11  

 00  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Détermine les restrictions de: x23x6x2\frac{x-2}{3x-6x^2}   

 x0 et x0,5x\ne0\ et\ x\ne0,5  

 x2 et x0,5x\ne2\ et\ x\ne0,5  

 x0 et x2x\ne0\ et\ x\ne2  

 x0 et x0,5x\ne0\ et\ x\ne-0,5  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Indique les restrictions de 9(x3)36x\frac{9\left(x-3\right)}{36x}  

 x9x\ne9  

x0x\ne0

x3x\ne3

x36x\ne-36

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Indique les restrictions de (x7)(x+4)(x+4)(x8)\frac{\left(x-7\right)\left(x+4\right)}{\left(x+4\right)\left(x-8\right)}  

 x4,  x8x\ne4,\ \ x\ne-8  

x0x\ne0

 x4 , x 8x\ne-4\ ,\ x\ \ne8 

 x4 ,  x7, x8x\ne-4\ ,\ \ x\ne7,\ x\ne8 

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Sachant que le dénominateur est différent de zéro, simplifie:   8x24x2+2x\frac{8x^2}{4x^2+2x}  

 4x(x+1)\frac{4x}{\left(x+1\right)}  

 44  

 4x22x + x\frac{4x^2}{2x\ +\ x}  

 4x2x+1\frac{4x}{2x+1}  

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