test recapitulativ Matematica -clasa a IX-a

test recapitulativ Matematica -clasa a IX-a

9th Grade

14 Qs

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test recapitulativ Matematica -clasa a IX-a

test recapitulativ Matematica -clasa a IX-a

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Daniela Milea

Used 354+ times

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Se consideră funcția   f:RR  , f(x)=x23x+2f:R\rightarrow R\ \ ,\ f\left(x\right)=x^2-3x+2  . Calculați produsul  f(2)f(1)f(1)f(2).f\left(-2\right)\cdot f\left(-1\right)\cdot f\left(1\right)\cdot f\left(2\right).  

0

1

2

3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calculați distanța de la punctul A(-6;8) la originea reperului cartezian xoy.

4

10

5

-10

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aflați coordonatele punctului M mijlocul segmantului AB dacă A(3;5) și B(-1;7) .

M(1;6)

M(2;12)

M(0;7)

M(4;2)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

      Calculați    (1+2)2+(12)2\left(1+\sqrt{2}\right)^2+\left(1-\sqrt{2}\right)^2  


2

4

6

0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Să se determine coordonatele punctului B , știind că C(3;5) este mijlocul segmentului AB și că A(2;4).

B(4;6)

B(-4;-2)

B(-2;3)

B(0;2)

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

    Determinați abscisa vârfului parabolei asociate funcției               f:RR , f(x)=x24f:R\rightarrow R\ ,\ f\left(x\right)=x^2-4  


 xv=0x_v=0  

 xv=2x_v=2  

 xv=1x_v=1  

 xv=2x_v=-2  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

   Să se calculeze  x1+x2x_1+x_2  știind că  x1x_1  și x2x_2  sunt soluțiile ecuației  x2x2=0x^2-x-2=0  .


 x1+x2=1x_1+x_2=1  

 x1+x2=12x_1+x_2=\frac{1}{2}  

 x1+x2=0x_1+x_2=0  

 x1+x2=2x_1+x_2=2  

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