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Mathematics

8th

grade

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teza 8 -s1

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18 questions

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  • 1. Multiple Choice
    15 minutes
    1 pt

    Rezultatul calculului  60:30 \sqrt{60}:\sqrt{30}\   este....

     222\sqrt{2}  

    2

     2\sqrt{2}  

     8\sqrt{8}  

  • 2. Multiple Choice
    15 minutes
    1 pt

    MUltimea  A={xR2<x5 }A=\left\{x\in R\left|-2<x\le5\ \right|\right\}  scrisa sub forma de interval este egala cu...

    [-2;5]

    (-2;5)

    (-2;5]

    [-2;5)

  • 3. Multiple Choice
    15 minutes
    1 pt

    Forma descompusa a expresiei  4x2364x^2-36  este....

    (2x+6)(2x+6)

    (3x+2)(3x-2)

    (2x-6)(2x+6)

    (2x-6)(2x-6)

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