Quiz about Examen première secondaire

Question 1

La forme plus simple de l'expression $$\left(\sin\ x+\cos\ x\right)^2+\left(\sin\ x-\ \cos\ x\right)^2=$$

Accepted Answer

2

Answer

1

Answer

4 sin x cos x

Answer

$$2\ \sin^2x$$

Question 2

la forme plus simple de l'expression $$\left(1+\ \cos\ x\right)\left(\operatorname{cosec}\ x-\ \cot\ x\right)=\ .......$$

Accepted Answer

sin x

Answer

$$\sin^2\ x$$

Answer

$$\cos^2x$$

Answer

1-cotg x

Question 3

$$\left( an\ heta\ +\sec heta\ ight)^2=$$ ..............

Accepted Answer

$$\frac{1+\sin\ heta\ }{1-\sin\ heta\ }$$

Answer

$$\sec^2 heta\ + an^2 heta\ $$

Answer

1

Answer

$$\frac{1+\sin\ heta\ }{\cos^2 heta\ }$$

Question 4

Si $$\sin\ heta\ +\operatorname{cosec}\ heta\ =2$$ alors $$\sin^2 heta\ +\operatorname{cosec}^2 heta\ =$$ ...........

Accepted Answer

2

Answer

0

Answer

4

Answer

6

Question 5

Sachant que $$\vec{\ A\ }=\frac{6}{n}\ \vec{\ i}+\ \frac{8}{n}\vec{\ j}\ tel\ que\ \vec{\ A\ }$$ est un vecteur unitaire alors n = .......

Accepted Answer

$$\pm10$$

Answer

10

Answer

0,1

Answer

$$\pm0,1$$

Question 6

Alors la matrice Z = ............

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 7

ABCD est un losange tel que M point de concours des diagonales alors $$2\ \vec{\ BA\ }+\ 2\vec{\ DA\ }$$ = ................................

Accepted Answer

$$2\vec{\ CA\ }$$

Answer

$$2\ \vec{\ MC\ }$$

Answer

$$2\vec{\ AD\ }$$

Answer

$$2\ \vec{\ CM\ }$$

Question 8

Si $$\left|\left|3k\ \vec{\ a\ \ }\right|\right|=\ \left|\left|-6\ \vec{\ a\ \ }\right|\right|\ alors\ k\ =\ .....$$

Accepted Answer

$$\pm2$$

Answer

2

Answer

6

Answer

$$\pm6$$

Question 9

Alors laquelle des citation suivante est correcte

Accepted Answer

DE // BC

Answer

AM // EF

Answer

$$\frac{AE}{EB}=\frac{BF}{FM}$$

Answer

$$\frac{AD}{DC}=\frac{BF}{FM}$$

Question 10

L'ensemble solution de l'equation dans la figure ci-contre est ...............

Accepted Answer

{3,-1}

Answer

{-3,-1}

Answer

{3,1}

Answer

{-3,1}

Question 11

Sachant que Y² + k Y + m I = O alors k + m = ..........

Accepted Answer

-5

Answer

5

Answer

1

Answer

-1

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