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Exercice Type CCF Polynome

Mathematics

9th - 12th Grade

CCSS covered

Used 1+ times

Exercice Type CCF Polynome
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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

Media Image

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

Media Image

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

Media Image

Donner la seconde solution de f(x) = 0

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