Quiz about Révision

Question 1

Soit $$A=\left\{1,2,3\right\}$$ et $$B=\left\{2,3,4,5\right\}$$ alors $$A\cap\ B\ =$$

Accepted Answer

$$\left\{2,3\right\}$$

Answer

$$\left\{\varnothing\right\}$$

Answer

$$\left\{1,2,3,4,5\right\}$$

Answer

$$\left\{5\right\}$$

Question 2

Simplifiez au maximum la fraction $$\frac{16}{36}$$

Accepted Answer

$$\frac{4}{9}$$

Answer

$$\frac{4}{6}$$

Answer

$$\frac{8}{18}$$

Answer

$$\frac{2}{5}$$

Question 3

Simplifiez au maximum : $$\frac{4x^3+2x^2\ -2x}{x}$$

Accepted Answer

$$2x^2+x\ -1$$

Answer

$$4x^2+2x-2$$

Answer

$$\frac{2x^3+x^2-x}{x}$$

Answer

Pas plus simplifiable

Question 4

Factorisez : $$x^2+5x+6$$

Accepted Answer

$$\left(x+2\right)\left(x+3\right)$$

Answer

$$\left(x-2\right)\left(x-3\right)$$

Answer

$$\left(x-2\right)\left(x+3\right)$$

Answer

$$\left(x+2\right)\left(x-3\right)$$

Question 5

Factorisez au maximum $$3x^2y\ +\ 6xy^2+9xy$$

Accepted Answer

$$3xy\left(x+2y+3\right)$$

Answer

$$x^2\left(3y\ +\ 6y^2+9\right)$$

Answer

$$xy\left(3x+6y+9\right)$$

Answer

$$3\left(x^2y+2xy^2+3xy\right)$$

Question 6

$$\frac{2x^2+3\ \ }{3x^2-2}=\frac{2+3}{3-2}$$

Accepted Answer

Faux

Answer

Vrai

Question 7

$$\sqrt{20}=$$

Accepted Answer

$$\sqrt{10}\cdot\sqrt{2}$$

Accepted Answer

$$2\sqrt{5}$$

Accepted Answer

$$\frac{\sqrt{40}}{\sqrt{2}}$$

Answer

$$\sqrt{10}+\sqrt{10}$$

Question 8

$$\left|\frac{\sqrt{50}}{\sqrt{2}}\right|=$$

Accepted Answer

$$5$$

Accepted Answer

$$\left|\frac{\sqrt{25}\sqrt{2}}{\sqrt{2}}\right|$$

Answer

$$-5$$

Question 9

$$x^2\ +\ y^2\ =\ \left(x+y\right)^2$$

Accepted Answer

Faux

Answer

Vrai

Question 10

$$x^2y^{2\ }=\left(xy\right)^2$$

Accepted Answer

Vrai

Answer

Faux

Question 11

$$\left(6x\right)^2=6x^2$$

Accepted Answer

Faux

Answer

Vrai

Question 12

$$\left(\frac{2}{5}\right)^{2\ }=\frac{4}{25}$$

Accepted Answer

Vrai

Answer

Faux

Question 13

Simplifiez $$9ab\ +\ 6b\ +\ 2a\ -4a^2\ -2a^2b$$

Accepted Answer

Pas simplifiable

Answer

$$17ab\ -6a^2b$$

Answer

$$11ab\ +6b\ -4a^2\ -2a^2b$$

Question 14

Soit la fonction $$f\left(x\right)\ =\ 2x^2-2$$ , alors $$f\left(3\right)\ =$$

Accepted Answer

$$16$$

Answer

$$14$$

Answer

$$34$$

Answer

$$-16$$

Question 15

La fonction suivante est une fonction de la forme $$f\left(x\right)\ =\ ax^2+bx+c$$ avec

Accepted Answer

$$a>0$$

Answer

$$a=0$$

Answer

$$a<0$$

Question 16

La fonction $$f\left(x\right)\ =\ \frac{4x+2}{4x\ +4}$$ a une asymptote verticale en

Accepted Answer

$$x=-1$$

Answer

$$x=0$$

Answer

$$x=\ -\frac{1}{2}$$

Answer

$$x=1$$

Question 17

Une fonction quadratique a toujours une unique intersection avec l'axe des $$x$$

Accepted Answer

Faux

Answer

Vrai

Question 18

La fonction $$f\left(x\right)\ =\frac{2x^2+3x-2}{3x^3+2x-1}$$ a une asymptote horizontale

Accepted Answer

$$y=0$$

Answer

$$y=\frac{2}{3}$$

Answer

$$y=\infty$$

Answer

$$y=2$$

Question 19

La fonction $$f\left(x\right)=\frac{3x\ +\ 5}{3x-4}$$ a une asymptote horizontale

Accepted Answer

$$y=1$$

Answer

$$y=0$$

Answer

$$y=3$$

Answer

$$y=-\frac{5}{4}$$

Question 20

La fonction $$f\left(x\right)\ =\ -2\ +\left|x\right|$$ est toujours positive

Accepted Answer

Faux

Answer

Vrai

Question 21

$$\log_2\left(8\right)\ =$$

Accepted Answer

$$3$$

Answer

$$2$$

Answer

$$16$$

Answer

$$64$$

Question 22

Un angle de $$360°$$ convertit en radian donne

Accepted Answer

$$2\pi$$

Answer

$$\pi$$

Answer

$$1$$

Answer

$$4\pi$$

Question 23

Nous connaissons l'angle en A et a. Pour trouver b, on va utiliser la fonction

Accepted Answer

Tangente

Answer

Cosinus

Answer

Sinus

Answer

Cotangente

Question 24

$$\sin\left(180°\right)\ =$$

Accepted Answer

$$0$$

Answer

$$1$$

Answer

$$-1$$

Answer

$$\frac{1}{2}$$

Question 25

$$ an\left(270° ight)\ =$$

Accepted Answer

$$\emptyset$$

Answer

$$0$$

Answer

$$1$$

Answer

$$-1$$

Question 26

La fonction sur le dessin est

Accepted Answer

$$\cos\left(x\right)$$

Answer

$$\sin\left(x\right)$$

Answer

$$\cos\left(2x\right)$$

Answer

$$2\cos\left(x\right)$$

Question 27

La fonction suivante est

Accepted Answer

$$\sin\left(2x\right)$$

Answer

$$\cos\left(2x\right)$$

Answer

$$\sin\left(\frac{x}{2}\right)$$

Answer

$$\cos\left(\frac{x}{2}\right)$$

Question 28

Soit trois points A,B et C. Il est toujours possible de trouver une droite passant par ces trois points

Accepted Answer

Faux

Answer

Vrai

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