Teza 7 -S1
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15 QuestionsShow answers
  • Question 1
    60 seconds
    Q.

    Radacina patrata a numarului 144 este:

    answer choices

    11

    12

    13

    14

  • Question 2
    120 seconds
    Q.

    Rezultatul calculului 
     81+7216\sqrt{81}+\sqrt{7^2}-\sqrt{16}  
    este egal cu:

    answer choices

    12 

     114\sqrt{114}  

    13

     101\sqrt{101}  

  • Question 3
    60 seconds
    Q.

     Rationalizand   numitorul93Rationalizand\ \ \ numitorul\frac{9}{\sqrt{3}}  
    obtinem:

    answer choices

     3\sqrt{3}  

     232\sqrt{3}  

     333\sqrt{3}  

     939\sqrt{3}  

  • Question 4
    180 seconds
    Q.

    Dintre numerele 
     72 ,  10  ,  37 ,  637\sqrt{2}\ ,\ \ 10\ \ ,\ \ 3\sqrt{7}\ ,\ \ 6\sqrt{3}  
    cel mai mare este:

    answer choices

     727\sqrt{2}  

    10

     373\sqrt{7}  

     636\sqrt{3}  

  • Question 5
    60 seconds
    Q.

    Rezultatul calculului
     32+83\sqrt{2}+\sqrt{8}  
    este   egal  cu :

    answer choices

     3103\sqrt{10}  

     30\sqrt{30}  

     525\sqrt{2}  

    Nu se poate calcula

  • Question 6
    120 seconds
    Q.

    Media geometrica a numerelor 12 si 3 este egala cu:

    answer choices

    15

    9

    6

    4

  • Question 7
    300 seconds
    Q.

    Rezultatul calculului 
     224(3623)2\sqrt{24}\cdot\left(\frac{3}{\sqrt{6}}-\frac{\sqrt{2}}{\sqrt{3}}\right)  
    este  egal  cu :

    answer choices

    2

    4

    6

    8

  • Question 8
    300 seconds
    Q.

    Calculand 
     12222+32\left|1-2\sqrt{2}\right|-\left|\sqrt{2}-2\right|+\left|3-\sqrt{2}\right|  
    se obtine:

    answer choices

    2

     222\sqrt{2}  

     2+22+\sqrt{2}  

     222-\sqrt{2}  

  • Question 9
    180 seconds
    Q.

    Calculand   
     1028252+122\sqrt{\frac{10^2-8^2}{5^2+12^2}}  
    obtinem:

    answer choices

     613\frac{6}{13}  

     217\frac{2}{17}  

     617\frac{6}{17}  

     213\frac{2}{13}  

  • Question 10
    120 seconds
    Q.

    ABCD est patrat  iar BEC triunghi echilateral.Masura <ACE este:

    answer choices

     75°75\degree  

     90°90\degree  

     105°105\degree  

     120°120\degree  

  • Question 11
    180 seconds
    Q.

    Daca ABCD este paralelogram atunci:

    answer choices

    <BCD= 650 si

    <ABC = 1150

    <BCD = 600 si

    <ABC = 1200

    <BCD = 350 si

    <ABC = 1450

    < BCD = 450 si

    <ABC = 1350

  • Question 12
    180 seconds
    Q.

    ABCD este dreptunghi cu  <AOB=60°<AOB=60\degree  si CD= 4cm.
    Calculand AC + BD obtinem:

    answer choices

    8 cm 

    12 cm

    16 cm

    Nu se poate calcula

  • Question 13
    300 seconds
    Q.

    Rombul ABCD are perimetrul egal cu 24 cm si diagonala AC =6cm.Atunci:

    answer choices

    PABC=12 cm si <ABC =100°P_{ABC}=12\ cm\ si\ \ <ABC\ =100\degree <a =="" 1000="" si="" <="" p=""></a>

    PABC=18cm si <ABC =90°P_{ABC}=18cm\ \ \ \ \ \ \ \ si\ \ \ <ABC\ =90\degree

    PABC=12 cm si <ABC =120°P_{ABC}=12\ cm\ \ \ \ \ \ \ si\ \ \ \ \ <ABC\ =120\degree

    PABC=18 cm si <ABC =120°P_{ABC}=18\ cm\ \ \ \ \ \ \ \ \ si\ \ \ \ \ \ <ABC\ =120\degree

  • Question 14
    300 seconds
    Q.

    ABCD este trapez dreptunghic. Lungimea bazei mari DC este egala cu :

    answer choices

    10 cm

    8 cm

    7 cm

    6 cm

  • Question 15
    180 seconds
    Q.

    Triunghiul ABC are AB=6cm ,BC = 4cm si AC = 7 cm. D este milocul laturii AB si N mijlocul laturii AC .Perimetrul patrulaterului BCED este egal cu :

    answer choices

    17 cm

    9,5 cm

    12,5 cm

    11,5 cm

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