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Mathematics

12th

grade

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Vectores

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10 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    Si  u=(2,1)\overrightarrow{u}=\left(2,1\right)   y  \overrightarrow{v}=\left(3,2\right) , entonces  \overrightarrow{u}+\overrightarrow{v}  es:

     (2,3)\left(2,3\right)  

     (6,2)\left(6,2\right)  

     (5,3)\left(5,3\right)  

     (2,3)\left(2,3\right)  

  • 2. Multiple Choice
    1 minute
    1 pt

    Si u=(1,0)\overrightarrow{u}=\left(-1,0\right)  y  v=(3,1)\overrightarrow{v}=\left(3,-1\right)  , entonces  2u3v2\overrightarrow{u}-3\overrightarrow{v}   es:


     (10,3)\left(-10,-3\right)  

     (10,3)\left(-10,3\right)  

     (10,3)\left(10,-3\right)  

     (11,3)\left(-11,3\right)  

  • 3. Multiple Choice
    1 minute
    1 pt

    Si u=(3,2)\overrightarrow{u}=\left(3,2\right)  y  v=(5,1)\overrightarrow{v}=\left(-5,1\right) , entonces  uv\overrightarrow{u}\cdot\overrightarrow{v}  es:

    0

    -3

    -5

    -12

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