Le nombre de solution dans un système d'équations Flashcards

1
Q

Combien de solutions?
y = -3x + 2
3x + y = -6

A

Aucune solution
a = a
b ≠ b

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2
Q

Combien de solutions?
y = 1/4 x + 5
y = 0,25x + 10

A

Aucune solution
a = a
b ≠ b

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3
Q

Combien de solutions?
10x + 2y = 8
-5x + y = -3

A

Une solution
a ≠ a

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4
Q

Combien de solutions?
y = 1/3 x + 10
y = 0, ̅3 x - 7

A

Aucune solution
a = a
b ≠ b

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5
Q

Combien de solution?
y = 4x - 2
2y = 8x - 4

A

Une infinité de solutions
a = a
b = b

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6
Q

Combien de solutions?
y = -2x + 7
y = 2x + 7

A

Une solution
a ≠ a

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7
Q

Combien de solutions?
y = 15x + 30
15x + y - 30 = 0

A

Une solution
a ≠ a

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8
Q

Combien de solutions?
3x + y = 12
12x + 4y = 48

A

Une infinité de solutions
a = a
b = b

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9
Q

Combien de solutions?
x - 20 = 5y
y = 1/5 x + 4

A

Aucune solution
a = a
b ≠ b

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10
Q

Combien de solutions?
7x = y
y = 7x + 7

A

Aucune solution
a = a
b ≠ b

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11
Q

Combien de solutions?
2x + 3y = 12
-3y = 2x + 12

A

Aucune solution
a = a
b ≠ b

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12
Q

Combien de solutions?
5y = -40x + 35
y = -8x + 5

A

Aucune solution
a = a
b ≠ b

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13
Q

Combien de solutions?
y = 5x + 8
y = -5x + 8

A

Une solution
a ≠ a

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14
Q

Combien de solutions?
x + y = 8
2x + y = 16

A

Une solution
a ≠ a

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15
Q

Combien de solutions?
3x - y = 18
y = 4x - 6

A

Une solution
a ≠ a

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16
Q

Combien de solutions?
y = -7x -7
7x + 7 = y

A

Une solution
a ≠ a

17
Q

Combien de solutions?
y = 11/3 x + 10
y = 3, ̅6 x + 10

A

Une infinité de solutions
a = a
b = b

18
Q

Combien de solutions?
x + y = 8
2y = -2x +16

A

Une infinité de solutions
a = a
b = b

19
Q

Combien de solutions?
4x = y - 7
12x - 3y + 21 = 0

A

Une infinité de solutions
a = a
b = b

20
Q

Combien de solutions?
3x - y = 9
-6x + 18 = -2y

A

Une infinité de solutions
a = a
b = b

21
Q

Combien de solutions?
2y = 14x + 8
-y = 7x - 8

A

Une solution
a ≠ a

22
Q

Combien de solutions?
3x + 2y - 12 = 0
y = -3x - 6

A

Une solution
a ≠ a

23
Q

Combien de solutions?
x = 5y +1
15x + 9 = 3y

A

Aucune solution
a = a
b ≠ b

24
Q

Combien de solutions?
y = 0,25x + 6
4x - 16y = -24

A

Une infinité de solutions
a = a
b = b

25
Q

Combien de solutions?
y = -3x + 2
3x - 2 = -y

A

Une infinité de solutions
a = a
b = b