Mathematics

9th

grade

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二次函數圖像

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13 questions

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  • 1. Multiple Choice
    20 seconds
    1 pt

    二次函數y=-( x+1 )2+4圖形的頂點落在第幾象限?

  • 2. Multiple Choice
    20 seconds
    1 pt

    下列二次函數的圖形,哪一個有最高點?

    y=2x2-3

    y=5 ( x-1 )2+4

    y=-2 ( x-1 )2-9

    y=( 3-x )2

  • 3. Multiple Choice
    20 seconds
    1 pt
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    若二次函數ya ( xh )2k的圖形如附圖,則下列何者錯誤

    a<0

    a>0

    k>0

    h>0

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