為甚麼二次函數中,a是正數,開口向上?

說明二次函數中,a是正數,開口向上

 

gklwong

 
Resource Type
Activity
Tags
quadratic 
Target Group (Age)
15 – 18
Language
Chinese Traditional / 繁體中文‎
 
 
GeoGebra version
4.0
Views
3175
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