
0323_高二預習_橢圓軌跡探究
Authored by Chi weng Chao
Mathematics
11th Grade
Used 1+ times

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5 questions
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1.
OPEN ENDED QUESTION
5 mins • 1 pt
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
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
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
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
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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