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Mathematics

8th

grade

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2下 2-1 函數與函數圖形

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  • 1. Multiple Choice
    1 minute
    1 pt

    y=3(x-2)+1,則下列函數的值何者錯誤

    x=-2時,函數值為-11

    x=-1時,函數值為-8

    x=0時,函數值為4

    x=4時,函數值為7

  • 2. Multiple Choice
    1 minute
    1 pt

    若函數y=(k2-9)x2+3xk-3的圖形通過原點,則在x=-2時,函數值y=?

    -4

    -5

    -6

    -7

  • 3. Multiple Choice
    1 minute
    1 pt

    常數函數y的圖形通過(-8 , 3),則y的圖形也會通過下列哪一點?

    (-8 , 0)

    (0 , 3)

    (8 , 0)

    (0 , -3)

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