
Révision brevet math fonction
Physical Ed, Mathematics
7th - 8th Grade
Used 98+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle fonction consiste à soustraire 2 du carré de x ?
f : x →(x – 2)2
f : x →2 – x2
f : x →x2 – 2
f : x →(2 – x)2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On considère la fonction f : x →2 – 5x. Quelle affirmation est vraie ?
f(2) = 8
f(1) = -3
f(-2) = -12
f(-1) = -7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On considère la fonction g : x →5x2 – 2x. Quelle est l’image de 2 ?
16
6
0
20
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculer h(-3) en utilisant la fonction h : x →3x + 2x2.
-3
-9
9
27
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
On considère la fonction f :x →5x + 3. Quel est l’antécédent de -12 ?
-20
-10
-5
-3
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quelle affirmation est vraie ?
Un antécédent de 3 par la fonction f :x →2x – 3 est -3
Un antécédent de 4 par la fonction f :x →4 – x est 8
Un antécédent de -1 par la fonction f :x →x2 – 2 est 1
Un antécédent de 5 par la fonction f :x →3x – 4 est -3
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
On considère la représentation graphique d’une fonction f. Quelle affirmation est vraie ?
L’image de 3 est 1.
L’antécédent de 2 est 3.
L’antécédent de 5 est 1.
L’image de 0 est 7.
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