Mathematics

7th -

10thgrade

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Algebra - stæður 10.bekkur

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17 questions

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  • 1. Multiple Choice
    15 minutes
    1 pt
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    Margfaldaðu og einfaldaðu
    s2 - 2s + 63
    s2 - 2s - 54
    s2 - 2s - 63
    s2 + 16s - 63
  • 2. Multiple Choice
    15 minutes
    1 pt
    Image

    Hvernig er einfölduð stæða fyrir flatarmál ferhyrningsins?

    x2 - 6

    x2 + 5x + 6

    x2 - x + 6

    x2 - x - 6

  • 3. Multiple Choice
    15 minutes
    1 pt
    Image
    Einfaldaðu stæðuna.
    2a2 - a + 20
    a2 + 2a + 20
    2a2 + a + 20
    2a2 + 2a + 20
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