Fractions algébriques

Fractions algébriques

3rd Grade

6 Qs

quiz-placeholder

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Fractions algébriques

Fractions algébriques

Assessment

Quiz

Mathematics

3rd Grade

Hard

Created by

Emath Sainte-Begge

Used 16+ times

FREE Resource

6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 5a2×425a2=\frac{-5a}{2}\times\frac{4}{25a^2}=  

 2050a\frac{-20}{50a}  

 25a\frac{-2}{5a}  

 150a\frac{-1}{50a}  

 2a5\frac{-2a}{5}  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 x26x+92x×6x23x9=\frac{x^2-6x+9}{2x}\times\frac{6x^2}{3x-9}=  

 (x3)\left(x-3\right)  

 x32x\frac{x-3}{2x}  

 x . (x3)x\ .\ \left(x-3\right)  

 32\frac{3}{2}  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 45x +10×2x 2x2+4x+4=\frac{4}{5x\ +10}\times\frac{2x\ -2}{x^2+4x+4}=  

 85.(x+2)\frac{8}{5.\left(x+2\right)}  

 8.(x1)5.(x+2)2\frac{8.\left(x-1\right)}{5.\left(x+2\right)^2}  

 8.(x1)5.(x+2)\frac{8.\left(x-1\right)}{5.\left(x+2\right)^{ }}  

 8.(x1)5.(x+2)3\frac{8.\left(x-1\right)}{5.\left(x+2\right)^3}  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Détermine les conditions d'existence de 3xx+5\frac{3x}{x+5}   

 x5x\ne5  

 x=5x=5  

 x5x\ne-5  

 x=5x=-5  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Détermine les conditions d'existence 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  

 x3 et x6x\ne3\ et\ x\ne6  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Détermine les conditions d'existence x212x38x\frac{x^2-1}{2x^3-8x}   

 x2 et x2x\ne-2\ et\ x\ne2  

 x0 x\ne0\   

 x2 ; x0 et x2x\ne-2\ ;\ x\ne0\ et\ x\ne2  

 x4 ; x0 et x4x\ne-4\ ;\ x\ne0\ et\ x\ne4