
Mult et div exp rat
Authored by mireille lessard
Mathematics
11th Grade
Used 5+ times

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7 questions
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1.
DRAG AND DROP QUESTION
1 min • 1 pt
Answer explanation
Avant d'effectuer la multiplication, on simplifie les facteurs communs du numérateur et du dénominateur .
2.
DRAG AND DROP QUESTION
1 min • 1 pt
Answer explanation
Avant d'effectuer la multiplication, il faut:
1) simplifier les facteurs communs du numérateur et du dénominateur;
2) multiplier les numérateurs et multiplier les dénominateurs;
3) simplifier l'expression obtenue.
3.
DRAG AND DROP QUESTION
1 min • 1 pt
Answer explanation
Division de fractions
1- On inverse la fraction de droite et on change le signe de division par un signe de multiplication;
2- On effectue la multiplication.
4.
DRAG AND DROP QUESTION
1 min • 1 pt
Answer explanation
Division de fractions
1- On inverse la fraction de droite et on change le signe de division par un signe de multiplication;
2- On effectue la multiplication.
5.
REORDER QUESTION
1 min • 1 pt
Regardez le #2 du haut de la page 2 de vos notes de cours.
Mettez en ordre les étapes pour simplifier cette expression rationnnelle et retranscrivez la démarche dans vos notes.
On factorise le numérateur.
2x2 - 10x - 100
= 2 (x2 - 5x - 50)
= 2 (x + 5) (x - 10)
On factorise le dénominateur.
6x3 - 150x
= 6x (x2 - 25)
= 6x (x + 5) (x - 5)
Answer explanation
6.
REORDER QUESTION
1 min • 1 pt
Regardez le #2 du bas de la page 2 de vos notes de cours.
Mettez en ordre les étapes pour simplifier le résultat de la multiplication des expressions rationnnelles et retranscrivez la démarche dans vos notes.
Answer explanation
7.
REORDER QUESTION
1 min • 1 pt
Regardez le #1 de la page 3 de vos notes de cours.
Mettez en ordre les étapes pour simplifier le résultat de la division des expressions rationnnelles et retranscrivez la démarche dans vos notes.
Answer explanation
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