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0323_高二預習_橢圓軌跡探究

Authored by Chi weng Chao

Mathematics

11th Grade

Used 2+ times

0323_高二預習_橢圓軌跡探究
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5 questions

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1.

OPEN ENDED QUESTION

5 mins • 1 pt

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圓錐曲線,又稱圓錐截痕,是透過平切圓錐得到的曲線,其中包括哪圖形?

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2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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點擊連結進入探究: https://javalab.org/en/ellipse_en/

把一條定長的繩兩端分別固定在圖板上兩點, 套上鉛筆,拉緊繩子,移動筆尖,畫出的軌跡是___?

三角形

長方形

圓形

橢圓

不規則圖形

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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點擊連結進入探究: https://javalab.org/en/ellipse_en/

把一條定長的繩兩端分別固定在圖板上同一個點, 套上鉛筆,拉緊繩子,移動筆尖,畫出的軌跡是___?

正方形

三角形

圓形

橢圓

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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思考:若兩粒圖釘距離等於繩長, 作出的軌跡還是橢圓嗎? 不是的話是什麼?(課堂上會再次提問)

是的

不是

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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思考:若兩粒圖釘距離*大於*繩長, 作出的軌跡還是橢圓嗎? 不是的話是什麼?(課堂上會再次提問)

是的

不是

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