Les expressions algébriques (C)

Les expressions algébriques (C)

9th Grade

10 Qs

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Les expressions algébriques (C)

Les expressions algébriques (C)

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

Marie-Emmanuelle Laroche

Used 381+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Réduis l'expression algébrique suivante.
 (12x+9)(5x+1)\left(12x+9\right)-\left(5x+1\right)  

 7x+107x+10  

 17x+1017x+10  

 7x+87x+8  

 17x+817x+8  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Quel est le périmètre d'un losange dont les côtés mesurent  (2a3)\left(2a-3\right)  cm ?

 8a38a-3  cm

 8a128a-12  cm

 8a+128a+12  cm

 4a64a-6  cm

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Quel est le coefficient du 2e terme de cette expression algébrique?
 6ab4b+87abc6ab-4b+8-7abc  

 4-4  

 bb  

 44  

 4b-4b  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Quelle expression algébrique réduite représente l'aire de ce rectangle?

(6y+64)\left(6y+64\right)

(36y+20)\left(36y+20\right)

(3y+32)\left(3y+32\right)

(36y+240)\left(36y+240\right)

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Une clôture se vend 15$/mètre. Si la longueur totale de ma clôture vaut  (8x2)\left(8x-2\right)  mètres, combien coûte-t-elle?

 (120x30)\left(120x-30\right)  $

 (120x)\left(120x\right)  $

 (32x8)\left(32x-8\right)  $

 (90)\left(90\right)  $

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

La figure ABCE suivante est un trapèze rectangle. Le triangle BCD est isocèle. Quelle expression algébrique représente l'aire de ce trapèze?

(10x+6)\left(10x+6\right)

(40x+24)\left(40x+24\right)

(80x+48)\left(80x+48\right)

(10x+20)\left(10x+20\right)

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Quelle expression algébrique représente le périmètre de ce rectangle?

(32x10)\left(32x-10\right) cm

(32x80)\left(32x-80\right) cm

(4x2)\left(4x-2\right) cm

(8x4)\left(8x-4\right) cm

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