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DEUST 1_Développer

Authored by Roland MAGRE

Mathematics

10th Grade

Used 8+ times

DEUST 1_Développer
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5 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (3x + 1)(2x  1)\left(3x\ +\ 1\right)\left(2x\ -\ 1\right)  

 6x  16x\ -\ 1  

 6x2  16x^2\ -\ 1  

 6x2 + 5x  16x^2\ +\ 5x\ -\ 1  

 6x2  x  16x^2\ -\ x\ -\ 1  

Je passe

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (x +2)(4x 1 )\left(-x\ +2\right)\left(-4x\ -1\ \right)  

 4x2 + 7x  24x^2\ +\ 7x\ -\ 2  

 4x2 + 7x  2-4x^2\ +\ 7x\ -\ 2  

 4x2  7x  24x^2\ -\ 7x\ -\ 2  

 4x2  7x  2-4x^2\ -\ 7x\ -\ 2  

Je passe

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (1  2x)(5x + 4)\left(1\ -\ 2x\right)\left(5x\ +\ 4\right)  

 10x2  3x + 4-10x^2\ -\ 3x\ +\ 4  

 10x2 + 3x + 4-10x^2\ +\ 3x\ +\ 4  

 10x2  3x  4-10x^2\ -\ 3x\ -\ 4  

 10x2  3x + 4 10x^2\ -\ 3x\ +\ 4\   

Je passe

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (5x  3y + 4)(1  y)\left(5x\ -\ 3y\ +\ 4\right)\left(1\ -\ y\right)  

 5x  7y + 4  5xy   3y25x\ -\ 7y\ +\ 4\ -\ 5xy\ \ -\ 3y^2  

 5x  + 7y + 4  5xy + 3y25x\ \ +\ 7y\ +\ 4\ -\ 5xy\ +\ 3y^2  

 5x  7y + 4  5xy + 3y25x\ -\ 7y\ +\ 4\ -\ 5xy\ +\ 3y^2  

 5x  7y + 4  5xy + 3y2-5x\ -\ 7y\ +\ 4\ -\ 5xy\ +\ 3y^2  

Je passe

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 4(2x 1)3 × (5x + 4)\frac{4\left(2x\ -1\right)}{3}\ \times\ \left(-5x\ +\ 4\right)  

 (160x2 + 208x  64)3\frac{\left(-160x^2\ +\ 208x\ -\ 64\right)}{3}  

 43 × (10x2 + 13x + 4)\frac{4}{3}\ \times\ \left(-10x^2\ +\ 13x\ +\ 4\right)  

 43 × (10x2  13x  4)\frac{4}{3}\ \times\ \left(-10x^2\ -\ 13x\ -\ 4\right)  

 43 × (10x2 + 13x  4)\frac{4}{3}\ \times\ \left(-10x^2\ +\ 13x\ -\ 4\right)  

Je passe

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