
Exercice Type CCF Polynome
Mathematics
9th - 12th Grade
CCSS covered
Used 1+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dire ce que symbolise "x"
L'altitude en km
Le temps en s
La distance parcourue en km
Le carburant consommée en L
Tags
CCSS.HSF.LE.B.5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dire ce que symbolise f(x)
Le temps en s
L'altitude en km
La distance parcourue en km
La consommation de carburant en L
Tags
CCSS.HSF.LE.B.5
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
f(x) = -0.5 x²+5 x-2.375
Calculer f(1)
Answer explanation
f(1) = = -0.5(1)² + 5(1) - 2.375
f(1) = -0.5 + 5 - 2.375
f(1) = 2.125
Tags
CCSS.HSF.IF.A.2
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
f(x) = -0.5 x²+5 x-2.375
Calculer f(4)
Answer explanation
f(4) = = -0.5(4)² + 5(4) - 2.375
f(4) = -0.5(16) + 20 - 2.375
f(4) = - 8 + 20 - 2.375
f(4) = 9.625
Tags
CCSS.HSF.IF.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Combien de racine admet f(x).
0
1
2
3
Answer explanation
Les racines sont les solutions telles que f(x) =0. Ici la courbe croise deux fois l'axe des abscisses, il y a donc deux solutions.
Tags
CCSS.HSF-IF.C.7A
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Donner la première solution de f(x) = 0
Answer explanation
Il faut ici regarder l'abscisse des points d'intersections entre la courbe et l'axe des abscisses.
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Donner la seconde solution de f(x) = 0
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