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Quiz 4.1-Les systèmes d'équations

Authored by Véronique Jacob

Mathematics

3rd Grade

Used 12+ times

Quiz 4.1-Les systèmes d'équations
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Isolez x dans: x5=20\frac{x}{5}=20  

x=4x=4  

x=15x=15  

x=25x=25  

x=100x=100  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Isolez x dans: 3x+6=183x+6=18  

x=4x=4  

x=8x=8  

x=9x=9  

x=36x=36  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Isolez x dans: 6x=2x+46x=2x+4  

x=0x=0  

x=1x=1  

x=2x=2  

x=4x=4  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Vrai ou faux? (2, 7) est le couple-solution de ce système:

y=3x+1y=3x+1   et y=x+7y=x+7  

Vrai

Faux

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Dans quelle situation il n'y a qu'une seule solution?

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6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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Quel est le couple-solution?

(6, 8)

(14, 4)

(4, 14)

Aucune solution

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Combien de solutions y-a-t-il à ce système d'équations:

y=3x−5y=3x-5   et y=−4x+10y=-4x+10  

Une

Aucune

Une infinité

On ne sait pas

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