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second degré

second degré

Assessment

Quiz

Mathematics

1st Grade

Practice Problem

Hard

Created by

Céline Camier

Used 22+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si f(x) = 5(x - 2)(x + 3) alors les racines sont ...

x1 = 2x_1\ =\ 2 et x2 = 3x_2\ =\ -3

x1 = 2x_1\ =\ -2 et x2 = 3x_2\ =\ 3

x1 = 2x_1\ =\ 2 et x2 = 3x_2\ =\ 3

x1 = 2x_1\ =\ -2 et x2 = 3x_2\ =\ -3

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si f(x) = -2(x +7)(x - 4) alors les racines sont ...

 x1 = 7x_1\ =\ -7  et  x2 = 4x_2\ =\ 4 

 x1 = 7x_1\ =\ 7  et  x2 = 4x_2\ =\ -4 

 x1 = 7x_1\ =\ -7  et  x2 = 4x_2\ =\ -4 

 x1 = 7x_1\ =\ 7  et  x2 = 4x_2\ =\ 4 

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si f(x) = -2(x +7)(x - 4) alors  ...

la parabole est tournée vers le haut

la parabole est tournée vers le bas

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si f(x) = 5(x - 2)(x + 3) alors ...

la parabole est tournée vers le haut

la parabole est tournée vers le bas

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si f(x) = - 5 - 2x + 8x²  alors  ...

la parabole est tournée vers le haut

la parabole est tournée vers le bas

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si f(x) = 7x - 2x² + 4  alors  ...

la parabole est tournée vers le haut

la parabole est tournée vers le bas

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si f(x) = 2x² + 9x + 5  alors  ...

 α=94\alpha=\frac{-9}{4}  

 α=94\alpha=\frac{9}{4}  

 α=92\alpha=\frac{-9}{2}  

 α=92\alpha=\frac{9}{2}  

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